A measure of the reflectivity of sunlight by a surface such as ice and snow, soil and desert, and ocean water

• albedo
• Carbon footprint
• Endangered Species Act
• Greenhouse effect
• Greenhouse gasses

Acronym used by conservation biologists for the six most important secondary causes of premature extinction

• HIPPCO
• albedo
• Carbon footprint
• Endangered Species Act
• Greenhouse effect

The amount of carbon compounds, especially carbon dioxide, emitted by a person or entity due to the burning of fossil fuels

• Carbon footprint
• albedo
• Endangered Species Act
• Greenhouse effect
• Greenhouse gasses

Breaking up of habitat into smaller pieces, usually as a result of human activities

• Habitat fragmentation
• albedo
• Carbon footprint
• Endangered Species Act
• Greenhouse effect

Law established in 1973 designed to identify and protect endangered species in the US and abroad

• Endangered Species Act
• albedo
• Carbon footprint
• Greenhouse effect
• Greenhouse gasses

Gasses in the earth’s lower atmosphere that cause the greenhouse effect that warms the lower atmosphere

• Greenhouse gasses
• albedo
• Carbon footprint
• Endangered Species Act
• Greenhouse effect

Natural effect that releases heat into the atmosphere near the earth’s surface.

• Greenhouse effect
• albedo
• Carbon footprint
• Endangered Species Act
• Greenhouse gasses

The geologic materials from which soil horizons form.

Is formed of weathered rock, with some organic material; often referred to as topsoil.

A vertical section of the soil that is exposed by a soil pit