Published evidence suggests that American geographers largely ignore foreign languages in their professional activities. Trends in the whole educational system, weakened graduate requirements and the cultural isolationism of the Anglo-Saxon world explain the weak language competency of the discipline in the U.S. American geography cannot contribute to the gamut of sound international knowledge while this situation persists. 相似文献
The scientific fact with respect to climate change shows that human activities have resulted in the increase of greenhouse gas (GHG) concentration. The essential solution to climate change issue is to reduce or eliminate the excessive anthropogenic GHG emissions. Therefore, the allocation of carbon emission right (CER) involves the social economic development, people's life and existence rights of all countries. Based on the substantive issues of climate change, this paper analyses the basic properties of climate resources and CER, discusses the allocation schemes of CER and makes comparison to foreign CER allocation schemes. In addition, it also presents the important factors that affect CER allocation. 相似文献
In recent decades, significant changes of Arctic sea ice have taken place. These changes are expected to influence the surface energy balance of the ice-covered Arctic Ocean. To quantify this energy ba... 相似文献
This study reports survey results of American and Chinese citizens administered to determine the effect of reciprocity and the absence of reciprocity on public support of international climate treaties. American and Chinese college students and adults were surveyed about their support for signing an international climate treaty including commitments to reduce their greenhouse gas emissions, conditional on the other country signing the same treaty or not. This study finds knowledge of other-country non-support on average decreases cooperative behaviour among all age groups in both the US and China. Knowledge of China’s support for the treaty is found on average to increase support among American adults, while having no noticeable effect on average support among American college students. Chinese citizens are found to not respond positively to reciprocity. Although not statistically significant at conventional significance levels, knowledge of the US’s support is found on average to decrease support among Chinese college students and adults.
Key policy insights
To increase support for international climate treaties, knowledge that another major emitter will sign the treaty does not unanimously increase domestic support.
Knowing the other country will not sign the treaty decreases domestic support for signing an international climate treaty for both Americans and Chinese, relative to not being told about the other country’s decision to sign the treaty.
Knowing China will sign an international climate treaty on average increases American adult support for signing the same treaty, while American college student support is unaffected.
Although not statistically significant at conventional significance levels, knowing the US will sign an international climate treaty on average decreases Chinese support for signing the same treaty.
Policy-makers pursuing increased international support of climate treaties by first getting support from countries with substantial historical emissions might deter international support if little attention to fairness concerns is given.
Over the past decade there has been a surge of academic and policy interest in the contributions of transnational migrants in furthering national development objectives in their ‘home’ countries. These approaches tend to be bifurcated into two distinct categories: (1) ‘diaspora strategies’ that target the participation in national development objectives of sought‐after elite, high‐skilled migrants and (2) migration‐as‐development strategies, which focus on facilitating and channeling the economic and social remittances of nonelite, low‐skilled migrants. Although these broad categorizations have never been entirely adequate in capturing the complexity of international migration flows, a conceptual division between them persists, with very real consequences for state policies in migrant‐sending countries in Southeast Asia. This paper explores the separation between diaspora strategies and migration‐as‐development frameworks through a focus on rights and skills, and questions of relative labour value. I argue that while diaspora strategies and migration‐as‐development frameworks cannot simply be merged, the academic separation between them should be challenged and more in‐depth theoretical engagement should be encouraged. I further suggest that migration policy makers should strive to evaluate their migration policies to address the increasing complexities of contemporary migration. 相似文献
Research undertaken by IGCP 259 (International Geochemical Mapping) indicates that wide-spaced sampling is a fundamental concept of international geochemical mapping as it appears to provide the only practical way to obtain a relative rapid (10–20 years) overview of global geochemistry. The main aim of this study is to test the suitability of floodplain sediment as a global sampling medium.Thirteen floodplain sediment samples and 13 stream sediment samples were taken at the exit of 13 super large drainage basins (SCB). The areal extents of these basins are in the order of 1000–10,000 km2. Within each SCB, 3–11 stream sediment samples each representing a component catchment basin (CCB) of 100–1000 km2 were also taken. Fourty nine elements were analyzed. The results were compared with the average values derived from calculating thousands of stream sediment data available from China's National Geochemical Mapping (RGNG) program. Strong similiarities were demonstrated in distribution and trends among the three levels of data. The set of floodplain sediment data shows great coincidence with RGNR stream sediment data. 相似文献