During COP26, some countries pledged to stop using coal, a leading source of greenhouse gas emissions. But China, India, and some others remain reliant on coal.

President Trump and Prime Minister Morrison’s close relationship is good news for the decades-old alliance.

Reducing global emissions of methane, a powerful greenhouse gas, could provide one quick win in the fight against climate change.

China’s decision to ban most trash imports has left waste-exporting countries in the lurch and Southeast Asian landfills overflowing.