A vendor prepares to carry blocks of ice stacked on his motorcycle, to supply a market on a hot summer day in New Delhi, India, June 2, 2015. India's earth sciences minister has blamed climate change for a heatwave that has killed 2,500 people and for deficient monsoon rains, after the government said on Tuesday the country was headed for its first drought in six years. REUTERS/Anindito Mukherjee