Related topics: greenhouse gas emissions · biofuel · oil

Estimating the environmental impact of Bitcoin mining

As an alternative to government-issued money, the cryptocurrency Bitcoin offers relative anonymity, no sales tax and freedom from bank and government interference. But some people argue that these benefits have an enormous ...

Airlines' fuel practices feed doubts over climate commitment

Airlines have taken steps to reduce their carbon footprints under the gaze of public opinion, but the pressure of the bottom line means some fly with extra fuel, boosting emissions of climate-changing greenhouse gases.

Planned fossil fuel output swamps Paris climate goals

Oil, gas and coal output already planned or in the pipeline will overwhelm efforts to cap global warming at levels consistent with a liveable planet, the UN and leading research groups warned Wednesday.

High school students are unequipped to spot 'fake news'

Despite mounting attention to the threat of "fake news" on the internet and efforts nationwide to improve digital media literacy, high school students still have difficulty discerning fact from fiction online, according to ...

EU bank to stop funding fossil fuels in 'landmark decision'

The European Union's investment arm said Thursday it will stop funding fossil fuel projects from 2022 as part of a new strategy aimed at fighting climate change, in a decision environmental campaigners hailed as a "significant ...

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Fuel

Fuel is any material that is burned or altered to obtain energy and to heat or to move an object. Fuel releases its energy either through a chemical reaction means, such as combustion, or nuclear means, such as nuclear fission or nuclear fusion. An important property of a useful fuel is that its energy can be stored to be released only when needed, and that the release is controlled in such a way that the energy can be harnessed to produce work. Examples: Methane, Petrol and Oil.

All carbon-based life forms—from microorganisms to animals and humans—depend on and use fuels as their source of energy. Their cells engage in an enzyme-mediated chemical process called metabolism that converts energy from food or light into a form that can be used to sustain life. Additionally, humans employ a variety of techniques to convert one form of energy into another, producing usable energy for purposes that go far beyond the energy needs of a human body. The application of energy released from fuels ranges from heat to cooking and from powering weapons to combustion and generation of electricity.

This text uses material from Wikipedia, licensed under CC BY-SA