Forests help to mitigate global warming, but they are also endangered by it. Many tree species struggled this summer as much of Europe was hit by heat waves and severe drought—the worst in 500 years, according to experts. Even olive trees, which are known for their resistance to drought, have suffered. Spain is the world’s...Read More

Climate and fossil records show that large swings in the Earth’s average temperature over eons radically changed the distribution and composition of life on the planet, wiping out entire groups of plants and animals in some areas, including large land mammals, while allowing others to thrive in unexpected places. The fossil record is replete with...Read More