Carbon Cycle

Scientists sample the world's rivers to assess the planet's health

Humans have changed how chemicals move on our planet

Follow the trail to unravel a seafloor mystery

'Quorum sensing' helps control how carbon moves in the sea

Audio Slideshow: An MIT/WHOI student examines a fascinating natural process in Oman

A graduate student seeks ways to curtail contaminants in the environment

Increasing urgency about climate change has spurred schemes that may seem radical

Profits, pollution, and politics all will play roles in ocean iron fertilization

Should we add iron to the sea to help reduce greenhouse gases in the air?

Scientists identify bacteria that convert chemicals in surprising ways

The movement and transformation of carbon in the ocean have large climate implications

How much excess carbon dioxide can the ocean hold and how will it affect marine life?

By the end of the century, the land and ocean may reach their capacity to absorb greenhouse gas from the atmosphere

One of the most significant natural phenomena that influences the everday life of more than 60 percent of the world's population