情节剧 发表于 2025-3-28 15:54:00
https://doi.org/10.1007/978-3-030-79010-3rther decline is expected to result in a more-or-less complete recovery of the ozone layer by around the middle of this century. This achievement indicates that global cooperation is able to achieve adequate management of planetary processes. It is telling that all 142 developing countries were able遗产 发表于 2025-3-28 20:01:29
https://doi.org/10.1007/978-3-030-79010-3ther balanced or excesses were small. Yet within fifty years, excess global soil nitrogen almost doubled and phosphorus eight fold. With a burgeoning world population it is anticipated that there will need to be increasing global crop levels (perhaps by as much as 80% up to 2050) and increases in liintertwine 发表于 2025-3-29 02:05:11
Hierarchies of Provably Computable Functionsif we want to manage nature, we have to price it so we can take account of that when making decisions on how much damage a particular human activity may cause. The other says that something so instinctive to our collective well-being cannot be managed by a price. When the two words “capital” and “nacreditor 发表于 2025-3-29 04:51:02
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On the Early History of Intuitionistic Logicat the global scale. Chemicals are an integral part of modern daily life. There is hardly any industry where chemical substances are not used, and there is no single economic sector where chemicals do not play an important role. Millions of people throughout the world lead richer, more productive an丑恶 发表于 2025-3-29 19:00:15
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H.-D. Ebbinghaus,J. Flum,W. Thomase—have no access to clean water or sanitation. In this context, we cannot expect water conflicts to always be amenably resolved. More than a dozen nations receive most of their water from rivers that cross borders of neighbouring countries which are viewed as hostile. A prime cause of global water cTRACE 发表于 2025-3-30 00:23:53
H.-D. Ebbinghaus,J. Flum,W. Thomasproblem is simply that our food is misallocated. The world may not be able to feed itself by 2050 if it does not increase food productivity. With a world population expected to be at least 9 billion people in 2050, the demand for food, feed, fibre and fuel will likely outpace food production if the机警 发表于 2025-3-30 05:54:56
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