The dirt tracks winding through southern Colombia's tangled jungle often mark the beginning of the end for besieged patches of rainforest in this part of the Amazon.
Indonesia is home to over a fifth of the world's mangrove forests, which naturally help keep out high tidal waters. But for years, coastal communities have chopped down trees to clear the way for fish and shrimp farms, and for rice paddies.
Humans have degraded or destroyed roughly two-thirds of the world's original tropical rainforest cover, new data reveals – raising alarm that a key natural buffer against climate change is quickly vanishing.
British naturalist David Attenborough warned on Tuesday that climate change is the biggest security threat that modern humans have ever faced, telling the U.N. Security Council: "I don't envy you the responsibility that this places on all of you."
Coral populations from Australia's first "Coral IVF" trial on the Great Barrier Reef in 2016 have not only survived recent bleaching events, but are on track to reproduce and spawn next year.
Just days after bushfires threatened an Australian World Heritage site, thousands were bracing for floods on the subtropical east coast on Sunday, with beaches closed and the authorities urging people to sandbag their homes.
At work, Morgan Philpott cares for sick children. In his off-hours the Australian paediatric nurse turns his attention to an equally defenceless group: unwell koalas.
