Make everything as simple as possible, but not simpler. Albert Einstein
Bill Nye Explains It in Four Minutes and Nine Seconds!
A good place to start.
Center for Climate and Energy Solutions (C2ES)
Independent analysis & innovative solutions to address the climate and energy challenge. Includes Climate Change 101.
Fun Theory
“…dedicated to the thought that something as simple as fun is the easiest way to change people’s behaviour for the better.”
How Stuff Works – Green Science
Applying eco-friendly thinking to scientific disciplines. Our impact on nature and the planet, and what we can do to combat them.
Grist
Making lemonade out of looming climate apocalypse.
Inside Climate News
A Pulitzer prize-winning news organization covering clean, carbon, and nuclear energy, & environmental science— helping the public and decision-makers navigate the heat and emotion of climate and energy debates.
The Guardian's Everything you need to know about climate change - interactive
A one-stop guide to the facts of global warming, from the science & politics to economics & technology, drawn from their Ultimate Climate Change FAQ.
Learn Stuff: Climate Change
Scroll down to the excellent, one-stop-shopping infographic,"How Climate Change is Destroying the Earth."
Real Climate
RealClimate is a commentary site on climate science by climate scientists for the interested public and journalists.
Rocky Mountain Institute
RMI is an independent, entrepreneurial nonprofit think-and-do tank that drives the efficient and restorative use of resources. See their Solutions Journal.
Sceptical Science
User-friendly hard Science to refute the Climate-change deniers.
Solve for X
A global community seeking brilliant scientific innovations & technological breakthroughs toward solving big global problems facing humanity.
Climate Change from TED (Technology, Entertainment, Design)
“Ideas worth spreading.” Video presentations by innovating scientists, designers, artists, historians, and others.
Union of Concerned Scientists
The knowledge & influence of the scientists with the passion of concerned citizens to build a healthy planet & a safer world.
Yale Climate Connections
Climate change & energy, extreme weather, public health, food & water, jobs & the economy, national security, the creative arts, & religious & moral values, among other themes. - An excellent resource, including their Videos, & the American Meterological Society's - Basics of Climate Change.