Increased pests, water stress, diseases, and weather extremes will pose
adaptation challenges for crop and livestock production.
But analyses focused on snow supply do not show where changes to snowmelt runoff are likely to present the most
pressing adaptation challenges, given sub-annual patterns of human water consumption and water availability from rainfall.
With a drier future and higher regional temperatures amplifying possible late - century droughts, the situation presents a
major adaptation challenge for managing the region's water needs, explains Ault, who along with lead author Benjamin Cook and Jason Smerdon, both of NASA, published their new study, «Unprecedented 21st Century Drought Risk in the American Southwest and Central Plains Drought Risk in Western North America.»
Given that the US has barely begun to think about and plan for its
own adaptation challenges, that thus far it has no strategy or funding for its own preparedness, it is not clear what kind of international commitment US domestic politics will support.
The Climate Change Adaptation Project at the University of Waterloo, has published a sobering report
on adaptation challenges associated with climate change's severe weather, Climate Change Adaptation: A Priorities Plan for Canada Adaptation, in this context, means adjusting social practices, processes and structure to better cope with the changes that climate change is bringing.
The 300 - 400ppm range is sufficient to trigger
major adaptation challenges and costs, and the 450 - 650ppm range is enough to push us to or beyond the limits of adaptation.
Meeting
these adaptation challenges is the responsibility not only of the African nations that are facing them, but also of developed countries that bear the historical responsibility for most global warming emissions.
«If we keep assuming we can stay below 2 °C as a matter of course, then we aren't being honest about
the adaptation challenges,» says Frumhoff of the Union of Concerned Scientists.
In the CERP approach, the user selects their own preferred approach to equity, including both their approach to responsibility and their approach to progressivity, and the result is applied to both the mitigation and
the adaptation challenges.
When
the adaptation challenge is reframed as implications for near - term decisions, uncertainty about the distant future becomes less problematic and adaptation responses can be better integrated into existing decision - making processes and early warning systems.
«Increased Presidential engagement on climate adaptation issues would both elevate the importance of adaptation activities within the government and raise the profile of
the adaptation challenge with the nation as a whole.
Yet times have changed as twenty years of mitigation efforts have yielded little progress and
the adaptation challenge has now become a pressing priority.