Scenarios are possible future states of the world that represent alternative plausible
conditions under different assumptions. Often, scenarios are developed in a context relevant …

Climate change science points to an increase in sea surface temperature, increases in the
severity of extreme weather events, declining air quality, and destabilizing natural systems …

As one of the world's largest industries, tourism carries with it significant social,
environmental, economic and political impacts. Although tourism can provide significant …

Anthropogenic carbon dioxide has been accumulating in the oceans, lowering both the
concentration of carbonate ions and the pH (ref.), resulting in the acidification of sea water …

Reliance on subsistence agriculture means the impact of stresses and shocks (such as
droughts or floods) are felt keenly by rural poor people, who depend directly on food system …

Because of the characteristically low temperatures and ambient CO 2 concentrations
associated with greater altitudes, mountain forests may be particularly sensitive to global …

This study applies policy network theory to major technological, economic, environmental
and social trends to generate propositions about the future of public policy. Among the …

Because of increasing concern about the effects of catastrophic wildland fires throughout the
western United States, federal land managers have been engaged in efforts to restore …

Infrastructure planning for networked infrastructure such as grid electrification (or piped
supply of water) has historically been a process of outward network expansion, either by …

畜禽养殖规模的扩大使家畜胃肠道和粪尿的甲烷排放增加, 加剧了温室效应.
本文通过分析中国畜牧业的现状, 发展趋势及其对甲烷排放的影响以及甲烷的生成过程 …