California Climate Action Registry
The California Climate Action Registry (the Registry) was established by California statute as a non-profit voluntary registry for greenhouse gas (GHG) emissions. The purpose of the Registry is to help companies and organizations with operations in the state to establish GHG emissions baselines against which any future GHG emission reduction requirements may be applied.
EPA’S Global Warming Site
The EPA Global Warming Site is provided as a public service by the U.S. Environmental Protection Agency. EPA’s climate change programs and activities are an integral part of the Agency’s mission and purpose. With the Global Warming Site, the accurate information is presented on the very broad issue of climate change and global warming in a way that is accessible and meaningful to all parts of society – communities, individuals, business, public officials and governments.
Global Climate Change Policy Book (White House)
The President new approach to the challenge of global climate change.
Physical Sciences Laboratory
The mission of the Physical Sciences Laboratory is to advance national capabilities to interpret the causes of observed climate variations, and to apply this knowledge to improve climate models and forecasts and develop new climate products that better serve the needs of the public and decision-makers.
Regional Greenhouse Gas Initiative (RGGI)
US Global Change Research Program
The U.S. Global Change Research Program (USGCRP) supports research on the interactions of natural and human-induced changes in the global environment and their implications for society.
Verified Carbon Standards (VCS)