The tropospheric ozone concentrations over southern Africa are relatively high due to large precursor emissions from biomass burning, vegetation and anthropogenic sources and the intensity of solar radiation. Topic: Conservation, environmental pollution and degradation, environmental impact assessment, Disaster and disaster management.. 4)Tropospheric ozone adds yet another factor to the existing nexus of poverty, malnourishment and climate-change effects that challenge food and nutrition security in some of the agriculture intensive regions of the world. CLIMATE CHANGE Climate change is a long-term shift in weather conditions identified by changes in temperature, precipitation, winds, and other indicators. Actions taken under the Montreal Protocol have led to decreases in the atmospheric abundance of controlled ozone-depleting substances (ODSs) and the start of the recovery of stratospheric ozone. Delivery of precursor sulfide gases such as sulfuric acid, hydrogen sulfide (H 2 S) or sulfur dioxide (SO Environment is a term which is widely discussed all over the world, and UPSC question papers year after year are proving that Environment and related areas are a must-know for every Civil Services aspirant. It all depends on where you find it. Tropospheric or ground-level ozone (O3) is the ozone present in the lowest portion of the atmosphere (up to 10–15 km above the ground). Ozone in the stratosphere protects us from harmful ultraviolet radiation but it is detrimental to human health when it is present on the ground level. Air pollution. It has a lifetime of a few days to a few weeks.
It all depends on where you find it.
The ability of stratospheric aerosols to create a global dimming effect has made them a possible candidate for use in solar radiation management climate engineering projects to limit the effect and impact of climate change due to rising levels of greenhouse gases. Methane (CH4), the simplest and most long-lived VOC, is of importance both as a greenhouse gas and as a source of background tropospheric ozone. ... Mr. Hyde—Ozone in the Troposphere.
December 01, 2014. Major anthropogenic sources of methane include natural gas production and use, coal mining, livestock, and rice paddies. In contrast, ozone in the low layers of the atmosphere, called ground-level or tropospheric ozone, is a dangerous pollutant. The ‘stratospheric ozone' is also known as “Good Ozone" as the stratospheric ozone layer absorbs ultraviolet (UV) radiation from the sun, preventing most of it from reaching the earth's surface. Key findings of the Scientific Assessment of Ozone Depletion | UPSC – IAS. A report by the Centre for Science and Environment released last year, indicated that severe air pollution crisis in India caused lifespans to shrink by 2.6 years on average. Tropospheric ozone is a major component of smog, which can worsen bronchitis and emphysema, trigger asthma, and permanently damage lung tissue.
The Greenhouse Effect | UPSC – IAS
Statistics. RELEVANCE – UPSC GS PRELIMS AND GS MAINS PAPER -III QUESTION ASKED IN UPSC EXAM ON- Climate and Clean Air Coalition (CCAC) UPSC 2017 QUES – Consider the following statements: 1. A polar vortex is a large pocket of very cold air, typically the coldest air in the Northern Hemisphere, which sits over the polar region during the winter season.
Section 2(37) of the Wild Life (Protection) Act, 1972, defines ‘wildlife’ to include any animal, aquatic or land vegetation which forms part of any habitat.
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