A near deserted Guildhall in Londonderry is seen, following the outbreak of the coronavirus disease (COVID-19), Londonderry, Northern Ireland, May 2, 2020. REUTERS/Jason Cairnduff

A man wearing a mask outside Guildhall in the city of London as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 14, 2020. REUTERS/John Sibley

Head of Task Force for Climate-related Financial Disclosures (TCDF) Secretariat, Mary Schapiro, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Vice Chair of Black Rock Philipp Hildebrand speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

CEO of London Stock Exchange Group David Schwimmer speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Ignazio Visco, governor of Bank of Italy, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Ignazio Visco, governor of Bank of Italy, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Jose Vinals, CEO of Standard Chartered PLC, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Jose Vinals, CEO of Standard Chartered PLC, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Ignazio Visco, governor of Bank of Italy, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Ignazio Visco, governor of Bank of Italy, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Ignazio Visco, governor of Bank of Italy, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Nigel Wilson, CEO of Legal & General Group PLC, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Richard Gnodde, International CEO of Goldman Sachs, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Thomas Buberl, CEO of AXA speaks at an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London on February 27, 2020. - The 2020 United Nations Climate Change Conference (COP26) will be hosted in Glasgow from November 9 - November 19, 2020 under the presidency of the UK. (Photo by Tolga Akmen / POOL / AFP)

Roger Gifford from City of London Corporation speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Richard Gnodde, International CEO of Goldman Sachs, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Lord Mayor of City of London, William Russell, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Richard Gnodde, International CEO of Goldman Sachs, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Screenwriter and film director Richard Curtis speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Roger Gifford from City of London Corporation speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Richard Gnodde, International CEO of Goldman Sachs, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Thomas Buberl, CEO of AXA, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Roger Gifford from City of London Corporation speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Roger Gifford from City of London Corporation speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Screenwriter and film director Richard Curtis speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Screenwriter and film director Richard Curtis speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Thomas Buberl, CEO of AXA, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

David Blood, co-founder of Generation Investment Management, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Thomas Buberl, CEO of AXA, speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain, February 27, 2020. Tolga Akmen/Pool via REUTERS

Britain's Business Secretary and Minister for COP26 Alok Sharma speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Britain's Business Secretary and Minister for COP26 Alok Sharma speaks during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England and President of the European Central Bank Christine Lagarde speak during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England and President of the European Central Bank Christine Lagarde speak during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

European Central Bank (ECB) President Christine Lagarde addresses an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England and President of the European Central Bank Christine Lagarde speak during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England and President of the European Central Bank Christine Lagarde speak during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, President of the European Central Bank Christine Lagarde and Britain's Business Secretary and Minister for COP26 Alok Sharma attend an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, talks with President of the European Central Bank Christine Lagarde seated next to Britain's Business Secretary and Minister for COP26 Alok Sharma during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, talks with President of the European Central Bank Christine Lagarde seated next to Britain's Business Secretary and Minister for COP26 Alok Sharma during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, talks with President of the European Central Bank Christine Lagarde seated next to Britain's Business Secretary and Minister for COP26 Alok Sharma during an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

European Central Bank (ECB) President Christine Lagarde addresses an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

European Central Bank (ECB) President Christine Lagarde addresses an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

European Central Bank (ECB) President Christine Lagarde addresses an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

European Central Bank (ECB) President Christine Lagarde addresses an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

European Central Bank (ECB) President Christine Lagarde addresses an event to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, makes a keynote address to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, makes a keynote address to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, makes a keynote address to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, makes a keynote address to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, makes a keynote address to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, makes a keynote address to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, makes a keynote address to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, makes a keynote address to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, makes a keynote address to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Mark Carney, Governor of the Bank of England, makes a keynote address to launch the private finance agenda for the 2020 United Nations Climate Change Conference (COP26) at Guildhall in London, Britain February 27, 2020. Tolga Akmen/Pool via REUTERS

Margaret Atwood poses with Bernardine Evaristo after jointly winning the Booker Prize for Fiction 2019 at the Guildhall in London, Britain October 14, 2019. REUTERS/Simon Dawson

Margaret Atwood poses with Bernardine Evaristo after jointly winning the Booker Prize for Fiction 2019 at the Guildhall in London, Britain October 14, 2019. REUTERS/Simon Dawson

Margaret Atwood poses with Bernardine Evaristo after jointly winning the Booker Prize for Fiction 2019 at the Guildhall in London, Britain October 14, 2019. REUTERS/Simon Dawson

Margaret Atwood poses with Bernardine Evaristo after jointly winning the Booker Prize for Fiction 2019 at the Guildhall in London, Britain October 14, 2019. REUTERS/Simon Dawson