Critics, however, are not convinced that Shell, BP, and Exxon are turning over a new leaf.
Waves also have the capacity to supply electricity just like solar and wind energy.
The major coal users in the world such as China, India, the U.S., Russia and Germany have yet to sign the Powering Past Coal Alliance.
Chancellor Angela Merkel might have a hard time uniting pro-business groups, political parties, and the Greens.
Wirewatt, Watty, SEaB Energy, Oxford PV, Avant Garde Innovations, BuffaloGrid and Aquion Energy are on the rise.
Switching from conventional to sustainable farming is a lot harder than it seems.
Electric taxis could make their debut soon and this could bring a boost to the aluminum industry.
Intense hurricanes and droughts are caused by climate change.
South Miami, California and Hawaii continue to support the fight against climate change.
Iceberg A-68 calved from the Larsen C Ice Shelf recently, and scientists and the media are keeping an eye on any developments.