Based on the current pledges of countries for limiting their emissions of greenhouse gases, global temperatures are projected to reach 2.7 degrees Celsius beyond pre-industrial levels by the end of ...

In 2016, nearly 200 world leaders pledged to do everything possible to limit global warming to 1.5 degrees Celsius. Since ...

Only a few expedition cruise companies offer trips with an opportunity to ski in Antarctica. Here's what it's like to see a ...