Developing countries, excluding China, will need $1 trillion a year by 2030 in outside help to reduce their carbon footprint and adapt to a warming planet, according to UN-commissioned experts.

While carbon offsetting has gained momentum and support, it is not without its share of critics.

Carbon capture and storage involves capturing CO2 emissions from industrial processes or power plants and storing them underground.

A company with global plans to pull carbon from thin air to make fuel, while tackling climate change, opened a pilot plant in this remote western Canadian community.

A light bulb made from graphene is th first commercially viable consumer product using the super-strong carbon, according to the developers from the UK