BANGKOK : Street vendors in India are suffering from lower earnings and ill health as they lose access to shade in cities where trees are felled to make way for construction, researchers said on Thursday.As deadly heatwaves become more frequent in tropical countries such as India, loss of shade can severely affect those who live and work on the streets, according to a study by researchers at India's Azim Premji University.The study of the southern Indian city of Hyderabad showed that women and new migrants, as well as vendors in poorer neighbourhoods are at greater risk of being denied shade."As the primary day-time occupiers of urban streets, in hot cities the importance of wooded streets becomes fundamental in ensuring a comfortable,.