Climate Change Video

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German Chancellor Angela Merkel addressed a joint session of the U.S. Congress and urged the U.S. to take bold action to combat global warming.

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France is planning to introduce a controversial new carbon tax to cut energy consumption and help combat global warming. The new levy on oil, gas and coal consumption by households and businesses will come into effect next year, making France the biggest economy yet to impose a straight-up carbon tax. Duration: 01:48

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Looking at alternative energy resources, with Jud Ready, Georgia Tech Research Institute; Derek Robertson, Wavebob; and CNBC's Bill Griffeth.

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Roush Racing CEO Jack Roush on using propane fuel as an alternative energy.

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Ushuaia is the southernmost city on Earth, just at the edge of the Antarctic. But even in this fridgid climate, global warming is taking a huge toll on glaciers that not only support a tourist industry but also provide drinking water for the city. Duration: 02:02

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A 315-million-euro satellite that will gauge the impact of climate change on the movement of water across land, air and sea was hoisted into space early Monday. The Soil Moisture and Ocean Salinity (SMOS) probe will shed new light on how water circulates around Earth's oceans. Duration: 01:21

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Banking that coal power plants will come under legal and financial pressure to reduce emissions as part of efforts to reduce global warming, French firm Alstom on Friday unveiled the world's largest carbon capture facility at a coal plant. It's a technology backers hope will fuel a new multi-billion dollar industry and keep the coal industry alive. Duration: 02:07

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Debating and debunking theories on global warming

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EU leaders on Friday agreed that developing nations will need 100 billion euros per year by 2020 to tackle climate change, but failed to put a figure to Europe's own contribution amid sharp east-west differences. A natural sound version of an AFPTV voiced report. Duration: 01:40

Liberal front-bencher Nick Minchin has signaled a further split within the coalition over climate change.

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Europe's leaders converged on Brussels for a two-day summit to consider candidates for a coveted new post of EU president and grapple with differences over helping poor countries fight global warming.

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Climate change activists protest in Belgium and Sweden ahead of December summit.

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As world leaders gear up for a crucial change conference in Copenhagen, one Englishman is doing his best to spread the word about fuel efficiency. Adventurer and eco-campaigner Andy Pag is travelling round the world in an old school bus, powered by nothing but used chip fat. Duration: 01:59

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Southwest Windpower CEO Andy Kruse on the future of wind energy.

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A prison in Kenya goes green, using sustainable systems including biogas produced by waste material, replacing fuelwood.

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Arizona Public Service CEO Don Brandt on solar-power projects in Arizona.

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Suntech America's Stephen Chan on the future of solar power in the U.S.

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In Florida today, the president announces billions in grants for clean energy.

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A vegetarian diet is better. Eating meat could become unacceptable in the future, according to Lord Stern, the leading authority on climate change in the UK. Dr. Victoria Johnson from the New Economics Foundation discusses the implications of methane g...

A government report on climate change paints a worrying picture for beachfront property owners.

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NEW YORK (TheStreet) - Stephen Dubner, co-author of Super Freakonmonics, gives a not-to-be missed "Freakonomics" view into health care, global warming, department-store Santas and prostitution.

Britain's only polar bear has been moved to greener pastures because she's suffering from depression.

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Americans no longer swallowing global warming dogma

A depressed polar bear has been moved to greener pastures in Britain.

Climate change think tank has found what it says is an $18 billion hole in Malcolm Turnbull's alternative emmissions trading scheme.

Liberal frontbenchers have acknowledged that weeks of bickering over climate change has contributed to another drop in opinion polls.

A showdown is looming in Federal parliament with the Rudd government refusing to listen to any of the Coalition's climate change proposals.

Malcolm Turnbull faces a tough day in parliament despite surviving a Coalition meeting on climate change.

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Jorma Ollila, chairman of Nokia and Royal Dutch Shell; James Rogers, CEO of Duke Energy; Charles Holliday, chairman of DuPont; and Bjorn Stigson, chairman of WBCSD, discuss how their companies are committed to becoming greener and cleaner.

A secret report, is warning the wages of Australian workers will be slashed if the government's carbon emission targets are met.

Opposition leader Malcolm Turnbull has been hit with more bad news on climate change.

PM Kevin Rudd has broken his silence on The Coalition's climate change crisis urging them to 'get serious'.

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The push for clean energy has many US cities updating their fleets with hybrid vehicles, and the nation's largest port city - Long Beach, Calif. - is leading the charge. The city's mayor, Bob Foster, talks to CNBC.

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Brammo is the first company to mass produce an electric motorcycle, and the vehicle even qualifies for a 10 percent federal income tax credit. CNBC talks to the company's founder and CEO, Craig Bramscher.

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Duke Energy is testing what could be a game-changer for alternative energy, reports CNBC's Bertha Coombs.

Vivienne Westwood has paraded her new eco-friendly designs.

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Lisa Jackson, administrator of the Environmental Protection Agency (EPA), discusses the organization's plan to cut emissions and move toward a clean energy future.

Solar power is being used to power medical centres in Baghdad.

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Pittsburgh's Phipps conservatory was once an icon of the last industrial revolution. Today the center boasts the most energy-efficient, tropical conservatory in the world, reports CNBC's Melissa Francis.

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"The areas that are sort of hot at the moment in alternative energy are wind and solar," Edward Guinness from The Guinness Alternative Energy fund told CNBC Thursday. Wind turbines are now at a price point which makes them competitive, he added.