357 Essential GRE Vocabulary (copy)

Sustainability

The ability to be maintained at a certain rate or level; avoiding the depletion of natural resources to maintain an ecological balance.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Biodiversity

The variety of life in the world or in a particular habitat or ecosystem.

Ecosystem

A biological community of interacting organisms and their physical environment.

Pollution

The presence of harmful substances or pollutants in the environment, which can cause adverse effects.

Climate Change

A long-term change in the Earth's climate, often resulting from human activity.

Renewable Energy

Energy from a source that is not depleted when used, such as wind or solar power.

Carbon Footprint

The total amount of greenhouse gases produced directly and indirectly by an individual, organization, event, or product.

Conservation

The act of preserving, guarding, or protecting something, especially in terms of natural resources.

Greenhouse Effect

The trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.