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US Bericht findet "keine überzeugende alternative Erklärung" für den bisherigen Temperaturanstieg

Der Bericht klassifiziert den antropogenen Einfluß auf den Klimawandel als "extremely likely".

Foto: pixabay / Wikilmages.

Aus dem Bericht:

The climate of the United States is strongly connected to the changing global climate. The statements below highlight past, current, and projected climate changes for the United States and the globe.

Global annually averaged surface air temperature has increased by about 1.8°F (1.0°C) over the last 115 years (1901–2016). This period is now the warmest in the history of modern civilization. The last few years have also seen record-breaking, climate-related weather extremes, and the last three years have been the warmest years on record for the globe. These trends are expected to continue over climate timescales.

This assessment concludes, based on extensive evidence, that it is extremely likely that human activities, especially emissions of greenhouse gases, are the dominant cause of the observed warming since the mid-20th century. For the warming over the last century, there is no convincing alternative explanation supported by the extent of the observational evidence.

Finden Sie den vollständigen Bericht hier.