Renewable energy is energy derived from natural sources ... and can be negatively impacted by climate-induced droughts or changes to ecosystems which impact rainfall patterns.

To applause from oil and gas executives, Chris Wright said natural gas was preferable to renewable energy and climate change ...

To change the state of a substance energy must be transferred ... The particles can now move from their fixed positions, and the substance changes state. First from solid to liquid, then if ...

"The Nature of Energy" (1949) explores various forms of energy and their applications in daily life and technology. It illustrates how energy, including muscular, electrical, chemical, heat ...

By Stanley Reed Reporting from London BP, the energy giant, said on Wednesday that it would increase spending on oil and gas while sharply paring back investments on various forms of clean energy.

The council is supposed to play a key role in promoting expansion of “all forms of energy” but heavily stresses what is described as “reliable and affordable energy production”.