Two-thirds of Americans support a transition to clean energy by 2050, and 3 out of 4 support regulating carbon emissions, ...

Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.

Web managers were told to identify, archive or unpublish materials mentioning climate change by "no later than close of business this Friday," according to internal emails obtained by ABC News.

Rising temperatures are driving a dramatic shift in weather patterns, with major cities worldwide increasingly vulnerable to ...

Tiny, cold-blooded animals like flies depend on their environment to regulate body temperature, making them ideal "canaries ...

Climate change may lead to more precipitation and more intense floods. A new study shows that to understand the details of this relationship, it is important to distinguish between different types of ...

A look at the numbers behind the United Nations’ annual Climate Change Conference, known as COP29, and what nations, rich and poor, must accomplish to keep global temperatures from rising.