A new effort to reconstruct Earth's temperature and climate since the last ice age, about 24,000 years ago, highlights the main drivers of climate change and how far out of bounds human activity has pushed the climate system.
Overconsumption, overpopulation, and uncertainty about the future are top concerns of people who say climate change is affecting their decision whether or not to have children, a survey finds.
Studying the historical data stored in centuries-old trees is a burgeoning field, with labs around the world learning more about historical patterns of weather and climate and the effects on humans.
