Environmental Science
Climate Feedback Loops
Quick fact
Melting Arctic ice reduces the Earth's albedo, causing more sunlight to be absorbed and increasing global temperatures further.
Why this is interesting
Did you know that a small increase in Earth's temperature could trigger a chain reaction, making the planet even hotter? This is called a climate feedback loop.
Read the full explanation
Understanding Climate Feedback Loops
A climate feedback loop occurs when a change in the environment triggers another change that either amplifies or reduces the original effect. For example, as the planet warms, ice melts, which darkens the surface and causes it to absorb more heat, leading to even more warming. This is called a positive feedback loop.
A deeper explanation
Climate feedback loops work by reinforcing changes in the climate system. Positive feedback loops, like the melting of ice or increased water vapor in the atmosphere, amplify warming trends, making future temperature rises more severe. Negative feedback loops, such as cloud formation or ocean absorption of carbon dioxide, can help stabilise temperatures. These mechanisms are key to understanding how small shifts in Earth's systems can lead to large-scale environmental changes.