The US Supreme Court dealt a blow on Thursday to the federal government's authority to regulate wetlands under a landmark anti-pollution law.
Environment
May 25, 2023
0
43
Energy security concerns—worsened by the war in Ukraine—and policy support from rich countries are likely to help investments in clean energy outpace spending on fossil fuels, the International Energy Agency said in a ...
Environment
May 25, 2023
0
3
As energy companies shift away from burning coal to generate electricity, many are leaving behind toxic waste that could endanger public health and the environment for years to come.
Environment
May 22, 2023
0
3
A new study investigates the role of effective capital markets for climate protection and the energy transition. Banks collect savings and make them available as loans and the greater the difference between savings and loan ...
Economics & Business
May 22, 2023
0
1
Methane—a potent greenhouse gas and the second biggest driver of global warming after carbon dioxide (CO₂)—had its moment in the spotlight in 2021. Over 100 countries signed on to the Global Methane Pledge to cut emissions ...
Environment
May 22, 2023
0
45
Electric vehicles, or EVs, promise to reduce carbon emissions and serve as a tool to help mitigate climate change, but a team of Penn State researchers report there has been little research to determine how equitable the ...
Environment
May 15, 2023
0
17
On May 11, 2023, the Biden administration proposed new regulations to curb carbon pollution from existing power plants. The new rules replace the Obama administration's Clean Power Plan, which was proposed in 2015 but ran ...
Environment
May 12, 2023
0
8
President Joe Biden's administration on Thursday announced sweeping plans to curb planet-warming emissions from the nation's power stations, as part of the United States' efforts to combat the climate crisis.
Environment
May 11, 2023
2
5
For the climate, it is a shocking number: By the middle of last year, the capacity of new coal-fired power plants under construction or planned totaled 476 gigawatts worldwide. If all were built and ran until the end of their ...
Environment
May 8, 2023
0
12
One hundred meters underground inside a pit in northern China, miners extract lumps of coal with the flick of a finger on a smartphone, as the country tries to drag the traditionally dangerous and dirty work into the digital ...
Environment
Apr 28, 2023
0
13
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.
This text uses material from Wikipedia, licensed under CC BY-SA
