Major Environmental Problems

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Natural World

Szerző: Kathleen Terhune

HUMAN IMPACTS ON THE ENVIRONMENT

Szerző: Dheyab Hisham

Man's Environment

Szerző: LeeSongKwokLaw Group

Earth's Environmental Issues

Szerző: Kumar Bonita

Major Environmental Problems

Urban Sprawl

Increased traffic, environmental and health issues

Migrations to cities

Leads to cities getting bigger and bigger

Loss of Biodiversity

Caused by imbalance of natural processes

Ecosystems are in danger after millions of years of development

Extinction of many species

Climate Change

Change of overall weather scenario

Various harmful effects

Change of seasons, melting of ice occurrence of new diseases

Has been around for a couple of decades

Overpopulation

Intensive agriculture damages the environment

Mostly in less developed countries

The population of the planet is reaching unsustainable levels

Shortage of resources

Global Warming

Makes flash floods and desertification

Leads to rising temperatures

Causing melting of ice and rising the sea levels

Mostly made by humans

Ozone Layer Depletion

Gasses make holes in the layer which make its efficiency of protecting less valuable

The ozone layer is an invisible layer of protection around the planet that protects us from Sun's harmful rays

Deforestation

It's a process of simply removing green land and making it available for residential, idnustrial or commercial purpose

At the moment, forests cover 30% of all land, but the numbers are leading to smaller percentages really quickly

Forests produce oxygen, but also help at regulating temperatures and rainfall

Waste Disposal

One of the most dangerous environmental problems

Mostly made by the most developed countries

Caused by overconsumption of resources, mainly plastic

Natural Resource Depletion

People are taking efforts to shift to renewable sources of energy

Resulting emission of greenhouse gases

Pollution

Makes the planet a lot uglier

Hundreds of different pollutants exist

Requires millions of years for water, air and land to recoop