Solid waste: any material that is discarded by being: Abandoned

effect: a change which is a result or consequence of an action or other cause

untreated sewage: wastewater which contains harmful waterborne pathogens and bacteria and which has not yet gone through a sewage treatment plant

Country: a nation with its own government, occupying a particular territory.

Acid rain: rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels, the waste gases from which con

Greenhouse gas:gases in Earth's atmosphere that trap heat.

fossil fuel: a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.

alternatives: one of two or more available possibilities.

Planet: a celestial body distinguished from the fixed stars by having an apparent motion of its own (including the moon and sun), especially with reference to its supposed influence on people and events.

desertification: the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.

Deforestation: the action of clearing a wide area of trees.

Overfishing: deplete the stock of fish in (a body of water) by too much fishing.