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

After the Civil War, which increased concern about the effects ... to direct the mental hygiene study and teach at the School of Hygiene in the evenings. This led to efforts to integrate wartime ...

The Clean Development Mechanism (CDM), defined in Article 12 of the Protocol, allows a country with an emission-reduction or emission-limitation commitment under the Kyoto Protocol (Annex B Party) to ...