More than 20 nations including the United States called for a tripling of nuclear energy to drive down emissions on Saturday as world leaders assembled for a second day at UN climate talks in Dubai.
Environment
20 hours ago
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24
COP28 is officially the largest ever UN climate summit, with 80,000 participants registered on a list that—for the first time—shows who they work for.
Environment
Dec 1, 2023
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10
The relationship between the US and China is the most important in the world, and it has been unstable and sometimes under extreme stress in recent years. But a recent meeting between presidents Joe Biden and Xi Jinping in ...
Environment
Dec 1, 2023
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2
Headlines across the world this year focused on fires, including both wildfires and the use of military firepower, in various places.
Environment
Dec 1, 2023
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More than 110 countries want the COP28 climate negotiations to adopt a goal of tripling renewable energy and doubling energy efficiency by 2030, European Commission President Ursula von der Leyen said Friday.
Environment
Dec 1, 2023
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44
Maize is one of the world's most widely grown crops. It is used for both human and animal foods and holds great cultural significance, especially for indigenous peoples in the Americas. Yet despite its importance, the origins ...
Molecular & Computational biology
Nov 30, 2023
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332
In 2015, more than 140 countries signed up to the goal of achieving net-zero emissions by 2050. For countries in the global south this is a huge task. On the one hand, they have committed to low emissions. On the other their ...
Earth Sciences
Nov 30, 2023
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Environmental nonprofit organizations that have diverse leadership and work in equity-deserving communities receive considerably less philanthropic support than conventional, mainstream nonprofits, according to new research ...
Social Sciences
Nov 30, 2023
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Plastic pollution has spread to Earth's farthest reaches, with widespread effects on wildlife, the environment and human health. To curb this problem, U.N. member countries are negotiating a global treaty to reduce plastic ...
Environment
Nov 30, 2023
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1
The international climate change negotiations began almost three decades ago when many were still hesitant to accept that human activities were changing the planet. Now the scientific evidence is unequivocal. Climate change ...
Environment
Nov 30, 2023
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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.
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