Most wavelengths of electromagnetic radiation can pass through the Earth's atmosphere, but which type of radiation is absorbed?

Carbon dioxide occurs naturally in the atmosphere as a result of what?

What is man-made carbon dioxide caused by?

Water vapour is the most significant greenhouse gas. How does almost all water vapour occur?

A mere 0.001% comes from what?

What is half of the greenhouse effect due to?

When is methane produced?

When is methane produced in natural sources?

When is methane produced from man-made sources?

Does the electromagnetic radiation from the Sun have a relatively short wavelength or a relatively long wavelength?

What happens to this radiation?

What happens to this longer wavelength radiation?

Give the two opposite effects of dust in the atmosphere.

It is important that decisions about what to do about global warming are made on the basis of what?

What do the vast majority of scientists agree about climate change?

The average temperature of the Earth has increased steadily during how many years?

What do scientists not agree on about global warming and climate change?