Wednesday , February 28 2024

Expected Topics for UPSC IAS Prelims 2020: Environment | Prelims | CSE

Dr. Manishika Jain explains Expected Topics for UPSC IAS Prelims 2020: Environment | Prelims

UPSC prelims preparation –

Expected Questions UPSC Playlist

IAS Prelims GS paper 1 Mock Papers –

Dr. Manishika Jain discusses Expected Questions on Internal issues 2019 for IAS/SSC/Bank PO/ NDA/CDS

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Expected questions Environment Part 3 –

Expected questions Environment Part 2 –

Expected questions on Governance Part 1

Expected questions on Governance Part 2

Expected Questions on Governance Part 3

Air Pollution-Increasing Glaucoma
 Higher amounts of fine particulate matter.
 At least 6% more chances of having glaucoma.
 Glaucoma
 A group of eye conditions.
 Damages the optic nerve.
 Caused by an abnormally high pressure in ones eye.
 Above age 60-Major cause of blindness.
 Occurs at any age.
 More common in older adults.
 Many forms-no warning signs.
 Vision loss cannot be recovered.
 Essential to have regular eye exams.
 Early recognition-Prevention and slow down of vision loss.
 Particulate Matter
 Particle Pollution or PM.
 A complex mixture- extremely small particles and liquid droplets.
 Made up of a number of components.
 Includes acids (such as nitrates and sulfates), organic chemicals, metals, and soil or dust particles.
 Size of the particles= potential for causing health problems.

Climate Emergency
 UN Annual Assessment-Calls for 7.6% cut each year.
 UNEP(United Nations Environment Programme)
 Global emissions need to fall by 7.6% each year until 2030.
 To limit global temperature rises to 1.5°C.
 On an average emissions have risen 1.55 annually over the last decade.
 2018- 55.3 billion tonnes of carbon dioxide or equivalent greenhouse gases.
 WMO (World Meteorological Organization) – atmospheric greenhouse gas concentrations hit an all-time record in 2018.
 Paris Deal- To limit temperature rises above pre-industrial levels to well below 2°C and to a safer 1.5°C if possible.
 1.5°C goal is still attainable.
 Requirement of an unprecedented, coordinated upheaval of a global economy.
 Fear about the state of the environment.
 Overwhelmed by the challenges of climate change.
 Medicos- Feel powerless against a supposedly impending doom causing anxiety and stress.

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