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Environmental issues in India | Wikipedia audio article

Environmental issues in India | Wikipedia audio article

There are many environmental issues in India. Air pollution, water pollution, garbage and pollution of the natural environment are all challenges for India. Nature is also causing some drastic effects on India. The situation was worse between 1947 through 1995. According to data collection and environment assessment studies of World Bank experts, between 1995 through …

Environmental issues with coal | Wikipedia audio article

The environmental impact of the coal industry includes issues such as land use, waste management, water and air pollution, caused by the coal mining, processing and the use of its products. In addition to atmospheric pollution, coal burning produces hundreds of millions of tons of solid waste products annually, including fly ash, bottom ash, and …

Joseph Fourier | Wikipedia audio article

Joseph Fourier | Wikipedia audio article

Jean-Baptiste Joseph Fourier (; French: [fuʁje]; 21 March 1768 – 16 May 1830) was a French mathematician and physicist born in Auxerre and best known for initiating the investigation of Fourier series, which eventually developed into Fourier analysis and harmonic analysis, and their applications to problems of heat transfer and vibrations. The Fourier transform and …

Anthropogenic greenhouse gas emissions | Wikipedia audio article

Anthropogenic greenhouse gas emissions | Wikipedia audio article

A greenhouse gas is a gas that absorbs and emits radiant energy within the thermal infrared range. Greenhouse gases cause the greenhouse effect. The primary greenhouse gases in Earth’s atmosphere are water vapor, carbon dioxide, methane, nitrous oxide and ozone. Without greenhouse gases, the average temperature of Earth’s surface would be about −18 °C (0 …

Working fluid | Wikipedia audio article

Working fluid | Wikipedia audio article

For fluid power, a working fluid is a gas or liquid that primarily transfers force, motion, or mechanical energy. In hydraulics, water or hydraulic fluid transfers force between hydraulic components such as hydraulic pumps, hydraulic cylinders, and hydraulic motors that are assembled into hydraulic machinery, hydraulic drive systems, etc. In pneumatics, air or another gas …

Faint young Sun paradox | Wikipedia audio article

Faint young Sun paradox | Wikipedia audio article

The faint young Sun paradox or faint young Sun problem describes the apparent contradiction between observations of liquid water early in Earth’s history and the astrophysical expectation that the Sun’s output would be only 70 percent as intense during that epoch as it is during the modern epoch. The issue was raised by astronomers Carl …

Wood gas | Wikipedia audio article

Wood gas | Wikipedia audio article

Wood gas is a syngas fuel which can be used as a fuel for furnaces, stoves and vehicles in place of gasoline, diesel or other fuels. During the production process biomass or other carbon-containing materials are gasified within the oxygen-limited environment of a wood gas generator to produce hydrogen and carbon monoxide. These gases can …

Hybrid vehicle | Wikipedia audio article

A hybrid vehicle uses two or more distinct types of power, such as internal combustion engine to drive an electric generator that powers an electric motor, e.g. in diesel-electric trains using diesel engines to drive an electric generator that powers an electric motor, and submarines that use diesels when surfaced and batteries when submerged. Other …

Environmental issues in the United States | Wikipedia audio article

Environmental issues in the United States include climate change, energy, species conservation, invasive species, deforestation, mining, nuclear accidents, pesticides, pollution, waste and over-population. Despite taking hundreds of measures, the rate of environmental issues is increasing rapidly instead of reducing.==Movements and ideas=====20th century=== Both Conservationism and Environmentalism appeared in political debates during the Progressive Era in …

Environmental issues in Singapore | Wikipedia audio article

Environmental issues in Singapore | Wikipedia audio article

Environmental issues in Singapore include air, water pollution, and deforestation. The government established the Singapore Green Plan in 1992 to help with environmental problems.==Deforestation== Since the founding of Singapore in 1819, more than 95% of its estimated 590 square km of vegetation has been cleared. At first for short-term cash crops and later because of …