"If a meteor hits us, it could have huge consequences", worries Karine Granger, head of the territory integration department at EDF Réunion. Réunion is both a biodiversity hotspot and one of the areas most vulnerable to climate change. As the cyclone season gets underway in the Indian Ocean, with storms expected to become increasingly violent, the island is having to cope with an unprecedented drought. This is particularly true of Grand Etang, a volcanic lake located at an altitude of 500 metres in Saint-Benoît. IMAGES AND SOUNDBITES