China building more wind, solar capacity than rest of world combined: report
China is building almost twice as much wind and solar energy capacity as every other country combined, research published Thursday showed.
Jul 11, 2024
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Energy & Green Tech
China is building almost twice as much wind and solar energy capacity as every other country combined, research published Thursday showed.
Jul 11, 2024
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Energy & Green Tech
An assessment ranks the feasibility of converting 245 operational coal power plants in the U.S. into advanced nuclear reactors, providing valuable insights for policymakers and utilities to meet decarbonization goals, according ...
Jul 9, 2024
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Energy & Green Tech
On the weekend, an area 20km off the Illawarra coast south of Sydney became Australia's fourth offshore wind energy zone. It's the most controversial zone to date, with consultation attracting a record 14,211 submissions—of ...
Jun 23, 2024
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Energy & Green Tech
In advancing sustainable waste management and CO2 sequestration, researchers have crafted reactors that mineralize carbon dioxide with fly ash particles. This avant-garde technique is set to offer a sustainable and lasting ...
Jun 14, 2024
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Business
A new study published in the journal Cell Reports Sustainability focuses on the air quality and climate benefits of wind and solar energy.
May 31, 2024
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Energy & Green Tech
Otter Tail Power Co. must exit a large North Dakota coal plant by 2032—at least as far as its Minnesota customers are concerned, state regulators ruled May 30 during a contentious meeting.
May 31, 2024
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Business
As President Joe Biden pushes to accelerate the nation's transition to clean energy, three Chicago suburbs and more than two dozen other Illinois communities are mulling plans to double down on lung-damaging, climate-changing ...
May 27, 2024
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Energy & Green Tech
Even green Europeans would rather tap coal than face the reality of overdependence on unreliable renewable energy.
May 17, 2024
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Energy & Green Tech
Federal energy regulators on Monday approved a long-awaited rule to make it easier to transmit renewable energy such as wind and solar power to the electric grid—a key part of President Joe Biden's goal to eliminate carbon ...
May 13, 2024
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Energy & Green Tech
Solar power, widely seen as humanity's best hope for avoiding catastrophic climate change, can carry a heavy environmental cost, depending on where panels and transmission lines are built.
May 13, 2024
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Coal is a readily combustible black or brownish-black sedimentary rock normally occurring in rock strata in layers or veins called coal beds. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure. It is composed primarily of carbon along with variable quantities of other elements, chiefly sulfur, hydrogen, oxygen and nitrogen.
Coal was formed from layer upon layer of annual plant remains accumulating slowly that were protected from biodegradation by usually acidic covering waters that gave a natural antiseptic effect combating microorganisms and then later mud deposits protecting against oxidization in the widespread shallow seas — mainly during the Carboniferous period — thus trapping atmospheric carbon in the ground in immense peat bogs that eventually were covered over and deeply buried by sediments under which they metamorphosed into coal. In this manner, over time, the chemical and physical properties of the plant remains (believed to mainly have been fern-like species antedating more modern plant and tree species) were changed by geological action to create a solid material.
Coal, a fossil fuel, is the largest source of energy for the generation of electricity worldwide, as well as one of the largest worldwide anthropogenic sources of carbon dioxide emissions. Gross carbon dioxide emissions from coal usage are slightly more than those from petroleum and about double the amount from natural gas. Coal is extracted from the ground by mining, either underground or in open pits.
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