Climate policy expert and founder of the NewClimate Institute in Cologne, Germany, explains what the step means for the US and for global climate diplomacy

Paleo-climatologist Kaustubh Thirumalai on why only few climate models capture Ganga drying trends & the importance of paleo-climatology in understanding future changes in river basins

National women’s ice hockey team captain Tsewang Chuskit shares her concerns about ice loss, on and off the rink