为欧洲制定的温室气体收支突出了整个大陆的碳源和碳汇，可作为未来几年的基准。
climate
Posted inResearch Spotlights
Trees Can Cool Cities, But Only with a Little Help
To get the benefits of trees, city managers must give greenery what it needs to thrive, says new research.
Posted inNews
Panama Canal Logistics Are at the Mercy of Weather and Climate
Regional weather variability and climate change make operating the canal a challenge.
Posted inNews
We’re About to Reach the Paris Agreement Limit, If We Haven’t Already
Earth has probably already entered the 20-year period in which global temperatures will be, on average, 1.5°C (2.7°F) higher than preindustrial conditions.
Posted inNews
Rice Paddies, Like Cows, Spew Methane. A New Variety Makes Them a Lot Less Gassy.
Rice plants are a big source of methane, an extremely potent greenhouse gas. Scientists just developed a strain that cuts those emissions by 70 percent.
Posted inNews
Megadroughts Have Grown in Size and Scope
A new study maps and ranks the largest, longest-lasting, and most severe multiyear droughts from 1980 to 2018.
Posted inResearch Spotlights
太阳辐射干预策略如何影响农业？
地球工程方法，如平流层气溶胶注入，有望抑制气候变暖，但存在许多潜在风险和担忧，其中它们对农业的影响在很大程度上仍未得到探索。
Posted inFeatures
Integrating K–12 Teachers into Climate Education
Scientists and schoolteachers have teamed up to design training and classroom materials that help educators understand and teach the complex topic of climate change to tomorrow’s leaders.
Posted inResearch Spotlights
Ancient Climate Reconstruction Links Past and Future
A new map of climate conditions during the Pliocene epoch—the last time Earth’s carbon dioxide concentrations hit 400 parts per million—could offer clues about possible climatic changes in store for the 21st century.
Posted inNews
Boreal Forests May Be on the Move
A new model shows a tendency for tree cover to decline in warmer areas and increase in colder ones.