EnvironmentFossils show Greenland was once ice-free – and could be again Ancient plants, seeds and insects preserved beneath Greenland’s ice sheet reveal that it once melted completely, raising concerns about sea level rise if it happens again ¿ìè¶ÌÊÓÆµ
EnvironmentWe are risking a heat disaster for athletes at the Olympics in Paris In the era of climate change, France’s capital is prone to more frequent and extreme warmth. Staging the Olympic games there in the height of summer is wrong, says Madeleine Orr Comment