REVIEW PAPER Ecosystem Impacts of Geoengineering: A Review for Developing a Science Plan

Abstract Geoengineering methods are intended to reduce
climate change, which is already having demonstrable
effects on ecosystem structure and functioning in some
regions. Two types of geoengineering activities that have
been proposed are: carbon dioxide (CO2) removal (CDR),
which removes CO2 from the atmosphere, and solar radiation
management (SRM, or sunlight reflection methods),
which reflects a small percentage of sunlight back into
space to offset warming from greenhouse gases (GHGs).
Current research suggests that SRM or CDR might
diminish the impacts of climate change on ecosystems by
reducing changes in temperature and precipitation. However,
sudden cessation of SRM would exacerbate the climate
effects on ecosystems, and some CDR might interfere
with oceanic and terrestrial ecosystem processes. The many
risks and uncertainties associated with these new kinds of
purposeful perturbations to the Earth system are not well
understood and require cautious and comprehensive

Linked to: interdisciplinary

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