The UK's Big Green Challenge
England launches its £1m ($2m) prize fund aimed at community groups who can make a big difference to climate change and create sustainable O2 generating programmes.

Locals Fight for Green Space
Residents in Chicago worked for a decade to plant and maintain trees and flowers in what used to be a blighted empty lot...that a developer is planning on turning it back into a parking lot.

New York City Park in the Sky
The High Line is an abandoned 1.45 mile (2.33 km) section of the former elevated freight railroad of the West Side Line, along the lower west side of New York City.

Liam's O2 Start - Tree Planting
Liam justifies his existence by... planting a Tree!  No ordinary tree, this tree is the start of the Union and becoming carbon neutral.

Tree Planting w/Timberland
Timberland's carbon neutral target and offer to employees of 40 hours paid community work. To do stuff like planting trees. I joined them in Bedfordshire to find out what it's all about.

ParkLife's New Green Spaces
ParkLife is improving the quality of life for people in Hammersmith & Fulham by providing parks and open spaces that are clean, green and safe.

Green L.A.'s Tree People
TreePeople focuses on educating city dwellers on the importance of tree planting in urban areas and rainwater capture programs.

London's Green City Walks
Explore the city of London for a fascinating few hours and see what you thought you'd never; green city spaces, unknown parks, walkways and hidden rivers.

Ed Norton on NYC Green Space
Edward Norton discusses the High Line with Charlie Rose and how it came to be wasted urban space that nature reclaimed, and the community that reclaimed the green space.

UK Tree Business Growing
A small tree nursery which boasts of a unique way of developing their products is growing from success to success. and attracting attention from across the country.

New York City Green Space
Friends of the High Line are helping convert a historic 1.5 mile elevated railway into a beautiful public park in the middle of NYC's industrial West Side.