Chicago city lights visible from the sky Approximately 83% of the world’s population lives under light-polluted skies. In the United States and Europe, about 99%

The ozone layer protects the Earth from UV rays. Ozone is made up of a combination of three oxygen atoms. The occurrence of this gas

Copper is a metal that is excellent at conducting heat and electricity. It occurs naturally in metallic form and has been in use since circa

For centuries, Antarctica has captivated people around the world. Explorers sought to travel there—and crossed treacherous waters full of ice to do so. Scientists have studied weather, wildlife, and

More than 70% of the Earth is covered with water bodies that play an important role in our day-to-day life and form an indispensable part

Coral reefs are vital marine ecosystems hosting a great diversity of species.  Referred to as the “rainforests of the sea”, the coral reefs are renowned

Smoke from a factory.  Since toxins accumulate up the animal food chain, top predators are likely to be full of toxins and die from toxin-related

The green anaconda is the world’s heaviest snake. Measured either by their length or by weight, the world’s largest living snakes are mainly members of

Carbon Cycle 1,000 to 100,000 million metric tons of carbon move through the fast carbon cycle every year. The Carbon Cycle moves in two major

Ocean acidification refers to the lowering pH levels of the Earth’s seas. Carbon emissions are the leading cause of acidification. Acidic oceans can be very

There are three types of fossil fuels: coal, natural gas and crude oil Fossil fuels are made up of decayed organic matter that has been

Forests are the world’s most critical ecosystems because they comprise numerous plant species and are inhabited by several animal species, including microorganisms. Of the global

Ecological succession describes how a biological community evolves and changes over time. It occurs when natural events create a gap in an ecosystem. Various organisms

Red Ruffed Lemur, an endemic species found in the island country of Madagascar. An endemic species is one that exists only within a specific place,

What is A Species? Different species of wildlife. All living things are ranked in a taxonomic ranking system: kingdom, phylum, class, order, family, genus and

Ecosystem An ecosystem is the term used to describe all of the organisms – plants, animals etc., as well as all the environmental factors –

Climate change is one of the biggest factors and concerns facing the modern world today. From carbon emissions, to rising temperatures, and melting ice caps,

What Is Deforestation? Deforestation in the rainforests of Malaysia. Forests cover about 31% of the earth’s total land surface and provide many environmental benefits including

In its simplest terms, biodiversity includes all organisms in the natural world. Microorganisms, plants, fungi, insects, and every type of animal, together make up biodiversity. The term