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Earth constantly absorbs energy from sunlight and emits thermal radiation as infrared light. In the long run, Earth radiates the same amount of energy per second as it absorbs, because the amount of thermal radiation emitted depends upon temperature: If Earth absorbs more energy per second than it radiates, Earth heats up and the thermal radiation will increase, until balance is restored; if ...
Heaven and Earth: Global Warming — The Missing Science: Global warming: dispute of scientific consensus on climate change: Ian Plimer: 2009: ISBN 0-7043-7166-9: Hell and High Water: Global Warming — the Solution and the Politics — and What We Should Do: Global warming: evidence for dire consequences of inaction: Joseph J. Romm: 2006: ISBN ...
A UN presentation says "The EEI is the most critical number defining the prospects for continued global warming and climate change." [ 49 ] One study argues, "The absolute value of EEI represents the most fundamental metric defining the status of global climate change."
This is an accepted version of this page This is the latest accepted revision, reviewed on 9 December 2024. Gas in an atmosphere with certain absorption characteristics This article is about the physical properties of greenhouse gases. For how human activities are adding to greenhouse gases, see Greenhouse gas emissions. Greenhouse gases trap some of the heat that results when sunlight heats ...
To limit global warming to less than 1.5 °C global greenhouse gas emissions needs to be net-zero by 2050, or by 2070 with a 2 °C target. [271] This requires far-reaching, systemic changes on an unprecedented scale in energy, land, cities, transport, buildings, and industry.
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As the warming from CO 2 increases, carbon sinks absorb a smaller fraction of total emissions, while the "fast" climate change feedbacks amplify greenhouse gas warming. Thus, both effects are considered to each other out, and the warming from each unit of CO 2 emitted by humans increases temperature in linear proportion to the total amount of ...
The main greenhouse gas, water vapour, will increase in response to global warming and further enhance it. We calculate with confidence that: ...CO 2 has been responsible for over half the enhanced greenhouse effect; long-lived gases would require immediate reductions in emissions from human activities of over 60% to stabilise their ...
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