Intentional climate alteration, including SRM, raises significant issues with respect to ethics and responsibility. A key consideration in the deployment of SRM, as with other responses to climate change, is the distribution of risks among population groups in the present generation, as well as future generations. Some have suggested that SRM research efforts may also pose a "moral hazard" by detracting from efforts to reduce GHG emissions or to adapt to the impacts of climate change. SRM and other geoengi-neering approaches also raise deep questions about humans' relationship with nature, many of which are beyond the scope of this report.
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