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Reply #95: Sure, have at it [View All]

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Home » Discuss » Topic Forums » Environment/Energy Donate to DU
kristopher Donating Member (1000+ posts) Send PM | Profile | Ignore Wed Dec-17-08 01:37 PM
Response to Reply #94
95. Sure, have at it
Download at:
http://arxiv.org/pdf/0811.0476

Global warming is a consequence of temperature forcing, a net imbalance
between energy fluxes entering and leaving the global climate system and energy
generation within this system. Humanity introduces positive forcings through
greenhouse gas (GHG) emissions, agriculture, and increasingly thermal emissions -
heat released as a result of energy generation and use. Up to now, climate change
projections have neglected thermal emissions, and typically assume a peak in
forcing due to GHG emissions around the middle of this century1,2. Here we show
that, if humanitys future energy use grows at just 1% per year, slower than in
recent history, and if thermal emissions are not controlled through changes in
technology, the total forcing due to all emissions will not peak and decline
significantly as currently predicted, but after a slight dip will continue to rise. This
problem can be combated by geoengineering3 and mitigated by renewable energy
sources that minimize waste heat. Such approaches could be combined in
reflective wide-bandgap photovoltaic technology, which offers the possibility of a
strong negative temperature forcing together with electrical power generation.
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