The Guardian Environment website publishes news and commentary on environmental issues such as climate change, energy, ethical living, food and recycling.

It also provides blogs, job listings and multimedia, including audio and video podcasts. Users can comment and are encouraged to join discussions.

The website also aggregates relevant news from members of the Guardian Environment Network, which brings together the world's best environment websites including SciDev.Net, China Dialogue, Real Science and the World Resources Institute.

Solar Power News, part of Alternative Energy, publishes news headlines on solar power, syndicated from a variety of sources. It links to websites and videos about solar power and technologies, and hosts a discussion forum on solar photovoltaics.

Solarbuzz publishes news and information about solar energy. Its website includes background information on how solar technologies work, industry statistics and reports, and links to solar-related jobs, events and manufacturers.

The Solarserver publishes news and commentary on solar power. It also links to solar-related events, funding opportunities, organisations and publications, and hosts a bulletin board for messages and job postings. Every month it publishes a 'System of the Month' to highlight solar systems or projects that are making strong progress in developing solar technologies, or improving access to them.