Stories about: sustainability  

This year's theme is Think.Eat.Save, the UN explains

The farm is expected to generate as much as 40MW of energy

Cycling enthusiasts can now pick and choose between 6,000 bikes

The researchers hope they'll soon test their technique outside the laboratory

Some of these printed solar cells are the size of an A3 sheet of paper

The cooker doubles as an electricity generator, can store heat

The turbine harvests energy from both winds and ocean currents at the same time

The car manufacturer hopes to install 40,000 solar photovoltaic modules by the end of 2013

Cutting trees upsets the natural balance, impacts on the effectiveness of dams

Yuck factor aside, insects are a noteworthy source of nutrients

The country is yet to figure out how to properly look after its forests

The singer enjoys buying furniture from local thrift stores

The actor has agreed to be on the advisory board of RYOT.org

The Solar Impulse is to fly across the US powered by sun energy alone

The company wants to provide 19 of its facilities in the US with clean energy

Having someone deliver your groceries is not just convenient, but also green

Researchers warn about how China's fishing practices impact on the environment