D3.1

Question 1

Carbon sink

Answer 1

Any process that removes carbon dioxide from the atmosphere e.g., photosynthesis

Question 2

Carbon source

Answer 2

any process that releases carbon dioxide into the atmosphere e.g., burning of fossil fuels Glossary

Question 3

Enhanced greenhouse effect

Answer 3

The observed increase in Earth’s average temperature

Question 4

Extrapolation

Answer 4

aA process of estimating the value of a measurement beyond the known values of a set of data

Question 5

Fossil fuel

Answer 5

A carbon-based fuel formed from the remains of living organisms e.g., coal, oil, and natural gas

Question 6

Halocarbon

Answer 6

Any of various compounds of carbon and one or more halogens. Halocarbons are human-made chemicals, such as chlorofluorocarbons (CFCs), that absorb large quantities of thermal energy

Question 7

IPCC

Answer 7

intergovernmental Panel on Climate Change; an international group of scientists who assess information related to climate change