Mmastodon EnvironmentClimate first seen 1 d ago, last 1 d ago, peak #6

Earth's radiation imbalance now about 1 watt per square metre

Original: The imbalance in the Earth's radiation balance is about 1W/m² A lot of m² ! But, if you have a square metre handy, and y

Scientists and commentators are highlighting that Earth's energy imbalance — the difference between sunlight absorbed and heat radiated back to space — is roughly 1 watt per square metre, a small-sounding figure that multiplies across the planet's surface into enormous trapped heat. Some are suggesting practical responses, such as making roofs reflect light or generate electricity instead of absorbing heat, to nudge the balance back.

Why now: Climate concerns are keeping attention on the measured planetary energy imbalance and what individuals can do about it.

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• The imbalance in the Earth's radiation balance is about 1W/m² A lot of m² ! But, if you have a square metre handy, and you can persuade it to send 1W back to space rather than keep it here, consider doing it. Each patch of roof should: absorb light, to make electricity; pass… · Photo55 · 1

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