Are you interested in earning some money by writing about environmental issues?
NeutralExistence are seeking writers willing to write articles on going green, reducing emissions, eco-tips and helping to save our environment. Pay is between $20-$30 per article - but remember that NeutralExistence pay 1/2 of your payment upfront and the other half in 60 days AFTER they've verified that you haven't published the same article all over the internet.
To get an idea of what kind of articles are accepted, read through their archives. If you think this is the kind of thing you can write, then visit NeutralExistence, check their writer's guidelines and submit your articles!