The Conservatives' green investment standards may not have a direct impact on emissions. But with a few tweaks, it could be effective and affordable.
Big solar has a potentially bright future in cities, but we need to get the planning right first.
A trade spat could jack up the cost of going solar, killing jobs and obstructing efforts to do something about climate change.
Why go to all that bother when you can just half-fill the kettle?
If harnessed properly, the sun holds tremendous potential to provide sustainable energy for the earth.