California

As the second week of international climate negotiations gets started in Bonn, pressure mounts on diplomats to deliver meaningful progress

State lawmakers pass legislative package to extend carbon trading scheme to 2030 and take action on local air quality

Michael Bloomberg launches 'America's Pledge' on climate change as California Governor Jerry Brown sets out plan to strengthen California's carbon trading rules and cut air pollution

Two governments issue joint statement of intent to boost climate cooperation, as US refuses to join rest of G7 in climate action communique

US states continue to step up international climate efforts following President Trump's decision to pull US out of Paris Agreement

The unlikely story of how businesses backed the state's emissions reduction policies. Will they follow the same playbook for US and global policies?

US retail giant partners with clean tech firm Advanced Microgrid Solutions to deploy Hybrid Electric Building technology in 27 supermarkets

Utility-scale solar generation in the Golden State accounted for almost 40 per cent of net grid power on 11 March, pushing wholesale prices into the negative

Pledge to share knowledge on developing offshore wind technology comes as Scotland breaks new renewable power records in March

Tesla, AES Corp, Powin Energy and AltaGas all flick battery storage plants live in the Golden State