C.E.O.s, policymakers and billionaires at the World Economic Forum’s conference have long pledged to fight climate change. Has it done any good? By David Gelles Each January, business and ...

Test your knowledge of Earth’s diverse climates and their unique characteristics. From tundras to tropical rainforests, see if you can identify these climates based on their descriptions. Good luck!

As glaciers disappear at an alarming rate due to climate change, the UN General Assembly has declared 2025 the International Year of Glaciers’ Preservation (IYGP). Glaciers and ice sheets hold around ...