A formal agreement between individuals or parties.

Rubbish such as paper, cans, and bottles left lying in an open or public place.

Rainfall made so acidic by atmospheric pollution that it causes environmental harm, chiefly to forests and lakes

The production and discharge of something, especially gas or radiation.

An intergovernmental organization that aims to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmonizing the actions of nations.

The action of clearing a wide area of trees.

Term used to describe species of animal or plant that is seriously at risk of extinction.

Based on our discussion, this is a thin part of the Earth's atmosphere that absorbs almost all of the sun's harmful ultraviolet light.

A widespread scarcity of food, caused by several factors including war, inflation, crop failure, population imbalance, or government policies.

A disease or period of sickness affecting the body or mind.

It is the radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies.

The Paris Agreement was created in which year?

A covering of ice over a large area, especially on the polar region of a planet.