A popular environmental blogging site with discussions from around the world.
Aviation is the fastest growing source of emissions in the UK. This site is valuable for providing alternative ways to travel.
Follow Aitkanti, a turtle the WWF tagged, who swam 9,000 miles from South America to the UK and is now in the Bay of Biscay.
We often throw out things, such as clothing and furniture, before the end of their life. This site lets one person benefit from another’s unwanted goods.
Brent Stirton is a photographer who has captured stunning images for WWF.
David Nussbaum is chief executive of WWF-UK. Find links to more of his favourite sites at www.building.co.uk/sustainability