CNBC "Halftime Report" trader Jon Najarian bought shares of SolarCity after spotting unusual options activity.» Read More
Used chewing gum being left on streets is a common problem, and an expensive one to clear up, but one company has a solution – recycling.
The Paris climate summit isn't where the action is, says the US Green Building Council CEO. Businesses motivated by profits will make the difference.
At the Paris climate talks clean energy innovation is the real key to success, says Jason Bordoff. Just ask Bill Gates.
A Florida researcher has made a remarkable discovery that could be a sustainable energy game-changer.
The World Bank is calling for $16 billion in funding to help Africa and its people adapt to climate change.
Running a small business can be tough at the best of times, but trying to run one without a reliable source of power adds a whole new dimension.
One British company is using plasma to transform waste into energy. How?
President Barack Obama ordered agencies to cut their greenhouse gas emissions by at least 40 percent by 2025.
The Philippine's crowded capital, Manila, is notorious for its traffic jams and pollution. How is innovation helping to change this?
The U.K. government has announced plans to shut all unabated coal-fired power stations by 2025 and to limit their use by 2023.
As governments prepare for the COP21 climate change forum, warnings on how global warming could hit businesses and investors are increasing.
Refugee camps could become healthier places if a sustainable approach to living conditions is adopted, according to a new report.
Here’s the real reason oil crashed, and why it could rebound in a big way in 2016, says Steve Kopits.
Punishing oil and gas companies isn't the answer to America's energy problems, says Bill Dickens.
The U.S. Environmental Protection Agency ranks higher education institutions on their green credentials. CNBC takes a look at the top 10.
The north of England is set to be home to Europe's largest floating solar power system.
An Oregon company has developed a system that uses photo-chemical processes to break down and remove contaminants from water.
There are great benefits to developing the Arctic's amazing wealth of resources, if done carefully, according to Iceland's president.
Elon Musk, CEO of Tesla Motors, expects millions of Teslas to hit the road, some with a range of 500 miles, in a decade or more.
China is known as a major consumer of oil. But it also controls the oil markets in this way, says Steve Kopits.