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The scarcity of robust scientific evidence supporting the attribution of observed impacts to climate change in some vulnerable regions does not indicate that no such impacts have occurred.
State implementation of new Environmental Protection Agency climate regulation may shift behavioural strategies from sidelines to forefront of US climate policy.
To reduce greenhouse-gas emissions in the short term, and catalyse longer-term cuts, countries should reduce the carbon intensity of electricity generation to below a universal target of 600 tCO2e GWh−1 by 2020.
Adaptive development mitigates climate change risks without negatively influencing the well-being of human subjects and ecosystems by using incentives, institutions, and information-based policy interventions to address different components of climate risks.
How should the IPCC communicate its findings, not just to policymakers, but to a wider audience? In today's online environment, readers demand an open and transparent interaction, but the responses must be both rapid and authoritative. As the IPCC debates its future, it must be bold in engaging with social media.
Investors are increasingly aware of climate risk to their investments, but can science drive a broader shift to green investments? Green bonds are an example of a financial market that could be better informed by climate science.
Internal climate variability can mask or enhance human-induced sea-ice loss on timescales ranging from years to decades. It must be properly accounted for when considering observations, understanding projections and evaluating models.
The Nordic Seas are highly sensitive to environmental change and have been extensively monitored and studied across a broad range of marine disciplines. For these reasons, the Nordic seas may serve as a pilot area for integrated policy development in response to ongoing climate change.
