Deep in Chile’s rainforest stands the Gran Abuelo — a 5,000-year-old tree that holds the secrets of our climate history. But now, logging, wildfires, and road projects threaten its future.

The chinar tree isn't just part of Kashmir's past, it also cools cities, stores carbon and shelters wildlife. But climate change and urban growth are threatening its survival.

The one-year spending plan Congress passed last month in an effort to avert a government shutdown included cuts in funding ...