Welcome to a green web series featuring the best in green blogs, forums, tools and social media. Part 1 begins with the best of the green blogosphere.

Once a year, tens of thousands of tourists gather in a town in Spain to hurl over one hundred tons of overripe tomatoes ... all in just one hour.

What exactly does one do with that many bikes? Resell them, melt them down or horde them in anticipation of future oil shortages?

What is our world coming to? Here is a brief overview of environmental problems, challenges and potential solutions we are confronted with today.

The origins and evolution of the what we now know as the green movement. Its roots are complex and at time surprising.

Welcome to WebEcoist, a collectively-produced grass-roots blog dealing with all things green - from oddities of the planet to wonders of modern green technology.