Climate: Past, Present & Future


Corals, the thermometers of the past!

Corals, the thermometers of the past!

Name of proxy: Coral Type of record: Oceanic variability Paleoenvironment: Fringing reefs, barrier reefs, or atoll Period of time investigated: Mainly the last 200 years How does it works ? What we usually picture as a coral is actually a colony of tiny living animals called coral polyps, which are closely related to jellyfish or anemones. They live in symbiosis with photosynthetic algae called Zo ...[Read More]

The Climate Tango of ENSO and CO2

In 1904, the Swedish chemist Svante Arrhenius suggested that the burning of fossil fuels to satiate our hunger for energy would increase the percentage of carbon dioxide (CO2) in the atmosphere, which would change the Earth’s temperature. Regular measurements of atmospheric CO2, started in the late 1950’s at remote locations such as Mauna Loa in Hawaii and the South Pole, confirmed his hypothesis ...[Read More]