Disasters fuelled by weather and climate extremes brought "catastrophic results for millions" across rich and poor nations in 2020, causing thousands of deaths and tens of billions of dollars in losses.
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.
The Navajo Nation - covering a 27,000 square mile area straddling the U.S. states of Arizona, New Mexico and Utah - competes with growing cities including Phoenix and Los Angeles for its water supply.
President Xi Jinping's pledge that China will achieve carbon neutrality before 2060 is the most significant climate policy move for years and, if achieved, could curb likely global warming by 0.2-0.3 Celsius this century, researchers said.
Previously overshadowed by the coronavirus pandemic and the country's racial reckoning, climate change has hurled to the front of the U.S. presidential race, as historic wildfires raged in the West and powerful storms battered the South.