How do people measure modern temperature records?
Q: How do people measure modern temperature records?
A: People measure modern temperature records using instruments.
Q: How long do the temperature records cover?
A: The temperature records only cover the last 150 years or so.
Q: How is the temperature record of the past 1,000 years or more found?
A: The temperature record of the past 1,000 years or more is found by using data from what are called "climate proxy" records.
Q: What can proxies be in relation to climate?
A: Proxies can be anything which relates to climate.
Q: What are some examples of climate proxy records?
A: Some examples of climate proxy records include short term autobiographies, tree rings, and other methods which go back about 20,000 years.
Q: Was there a warm period about 1,000 years ago?
A: Yes, we are fairly sure there was a warm period about 1,000 years ago, as well as a cold period about the 17th century.
Q: Is climate change entirely man-made?
A: No, although people today talk about climate change as if it were entirely man-made, this is not the complete picture. It is quite certain that climate has always been changing on Earth, and man-made changes are on top of changes which occur naturally.
