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6 天前 · Global warming, the phenomenon of rising average air temperatures near Earth’s surface over the past 100 to 200 years. Although Earth’s climate has been evolving since the dawn of geologic time, human activities since the Industrial Revolution have a growing influence over the pace and extent of climate change.
2019年1月22日 · What is global warming, explained. The planet is heating up—and fast. Glaciers are melting, sea levels are rising, cloud forests are dying, and wildlife is scrambling to keep pace. It has become...
- Christina Nunez
- 3 分鐘
Global warming is the long-term heating of Earth’s surface observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth’s atmosphere. This term is not interchangeable with the term "climate change."
Global warming is the long-term heating of Earth’s surface observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth’s atmosphere.
2024年7月31日 · 全球暖化 （中國大陸、香港作 全球變暖），指的是在一段時間中， 地球 的 大氣 和 海洋 因 溫室效應 而造成 溫度 上升的 氣候變遷，為 公地悲劇 之一，而其所造成的 效應 稱之為 全球暖化效應。 在2013年， 政府間氣候變遷專門委員會 第五次評估報告認為，「人類影響極有可能是20世紀中葉以來觀測到的變暖現象的主要原因。 」 [2] 人類的影響包括排放諸如 二氧化碳 、 甲烷 和 一氧化二氮 這樣的 溫室氣體，鑑於人類活動在全球暖化中扮演主要角色，這種現象有時候被稱為「人為全球暖化」或「人為氣候變遷」。 報告中的氣候模型預測總結指出在21世紀，根據溫室氣體的排放量，全球表面溫度有可能進一步上升0.3-1.7°C至2.6-4.8°C。
2021年8月9日 · The report provides new estimates of the chances of crossing the global warming level of 1.5°C in the next decades, and finds that unless there are immediate, rapid and large-scale reductions in greenhouse gas emissions, limiting warming to close to 1.5°C or even 2°C will be beyond reach.
Vital Signs of the Planet: Global Climate Change and Global Warming. Current news and data streams about global warming and climate change from NASA.
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