Irma Garcia holds her eight-month-old grandson Efrain Rodriguez on the front porch of her home in the Manchester neighborhood of Houston, Texas, U.S., June 2, 2019. Garcia is a lifelong Manchester resident, she complains of persistent respiratory problems which she believes results from the neighborhood's air pollution. REUTERS/Loren Elliott SEARCH "POLLUTION HOUSTON" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.