A worldwide increase in the average temperature of the atmosphere
Goods and services that do not hurt or damage the environment
The relationship of living things to each other and to their environment
A measurement of how our activities affect the environment (in units of CO2)
Gases like carbon dioxide (CO2), water vapor, and methane in the Earth’s atmosphere that allow sunlight to come through but stop heat from leaving
Greenhouse effect
eco-friendly
CARBON FOOTPRINT
Global warming
Ecology