Gary White, Water.org co-founder, discusses the global effort to provide safe water internationally and offer micro loans for poor people to buy toilets.
David Crane, NRG Energy CEO, discusses his green energy initiatives. The only double-digit growth area is the clean energy portion of the space, says Crane.
A prominent Wall Street equity index firm says it's trying to help investors profit from environmentally conscious holdings.
Sir Richard Branson estimates the North America trucking industry could save up to $40 billion a year through new technologies.
World carbon dioxide emissions will hit a record high this year, driven by China's growth and keeping the world far off track from the deep cuts needed to limit climate change, a study said on Sunday.
The Export-Import Bank is a key lifeline for the embattled U.S. nuclear sector, a former trade official told CNBC.
China's junk buyers have transformed the electronic garbage of wealthy countries into small fortunes for years, often tainting rivers with toxic.
A company that uses solar energy to recover crude has scored financing from some big oil players, highlighting a growing niche of exploration.
Many shale-rich countries face a dilemma, says a new report. It might mean a choice between fracking for energy or having enough water to drink.
As ice retreats in the Northwest Passage, bigger and more luxurious cruise ships are booking voyages on the storied route. NBC News reports.
Big Oil has tried for years to bolster its green credentials. Royal Dutch Shell recently joined the environmental bandwagon.
Vinod Khosla, a green energy billionaire with ties to President Obama, is fighting surfers over access to a beach south of San Francisco. NBC reports.
Although atomic power is languishing, the industry is going on the offensive to change the conversation.
A look at photos of damage to a boatyard in Santa Catalina Island, and the weather forecast into the Labor Day weekend, with The Weather Channel's Alex Wallace.
Levels of several major toxins have drastically fallen in American cities since 1990, the EPA said.
As China lays down plans for a national carbon trading scheme, it risks repeating mistakes made by flooding its pilot markets with free permits.
Alaska is setting tourism records due in part due to improved air service and cruise access to the Northwest Passage.
Ebola outbreaks may become more frequent because of climate change, scientists warn, as the deadly disease ravages West Africa.
Sam Gill, CEO of ET Index, discusses how investors can get value by using the company's index which links share price to greenhouse gas emissions.
Richard Templer, director of Climate-KIC UK, says start-ups with an interest in climate change are on the rise in an "exciting" market.