Climate and Ecosystem Dynamics

Learn about the chemical reaction that happens between acid rain and limestone.

Biofuels like ethanol might help fight climate change. But they can contribute to food insecurity and greenhouse gases in ways that might surprise you.

Cloud seeding is a type of weather modification. Learn about cloud seeding, as well as its risks and benefits.

15 images of various instruments such as rain gauges, wind vanes and weather satellites used to inform us about the weather

What is the nitrogen cycle? How do human activities such as using fertilizer affect the nitrogen cycle? How can this cause greenhouse gases?

14 images of some plants such as carrots, cabbage and leeks whose roots, stems or leaves are used for food

11 images that illustrate some daily weather conditions such as cold, hot and windy

Learn about two taxonomy systems that scientists use to classify the life around us.

1 diagram illustrating the water cycle

Cloning makes it possible to bring extinct species back to life. But is that a good idea?

What's tasty, abundant and high in protein and vitamins? Bugs! Bugs feed about 2 billion people each day. They also hold promise for food security and sustainability.

How will arctic ice melt from climate change affect exploration, scientific research and geopolitics?

10 images of some cold-blooded vertebrates such as snakes, lizards and alligators typically having dry, scaly skin

The water in the oceans has travelled vast distances. It has even time spent deep below the surface of the Earth, trapped inside the mineral ringwoodite.

The ocean is full of very small but very useful creatures called microbes. Without them, none of the sea plants or animals you’ve seen would exist!