It’s a common refrain from those who question the findings of climate science: the computer models scientists use to project future global warming are inaccurate and shouldn’t be trusted to help policymakers decide whether to they must take potentially costly measures to limit greenhouse gas emissions. A new study effectively quells this argument by examining […]
There’s a favorite argument among those who doubt mainstream climate science: climate models overestimate the rate at which the Earth is warming. This claim resurfaces time and time again and is often based on single instances of uncertainty or hand-picked data. Various studies have looked closely at individual climate models in recent years and have […]
This color-coded map shows global surface temperature anomalies. Temperatures above normal are shown in red and temperatures below normal are shown in blue. (NASA Goddard Space Flight Center) Of the 17 climate change models examined, 14 were accurate enough to predict the effects of global warming. The researchers fed the actual emission levels into the […]
[ad_1] Global temperatures rose faster at the end of the 20th century than at any time in the past 2,000 years, according to a study released Wednesday that experts say undermines questioning by climate deniers about the role of climate change. humanity in global warming. As Europe suffocated in a second record-breaking heat wave in […]
A new reconstruction of global mean surface temperature trends over the past 2,000 years has identified the major causes of decade-scale climate change. The analysis suggests that the Earth’s current rate of warming, caused by human emissions of greenhouse gases, is greater than any previously observed rate of warming. The researchers also found that airborne […]
Source: Geophysical Research Letters One of the most difficult questions regarding climate change is how the warming of the Earth’s atmosphere will affect water availability around the world. Climate models present a range of possible scenarios, some more extreme than others– which can complicate planning for cities, states and countries. Now, however, in a new […]
Professor Stephen Belcher is Chief Scientist at UK Met Office; Doctor Olivier Boucher is at the head of Pierre Simon Laplace Institute (IPSL) Climate Modeling Center; and Professor Rowan Sutton is director of climate research at UK National Center for Atmospheric Sciences (NCAS), Reading University. The first results of a new generation of global climate […]
[ad_1] The Earth has gone through many warming and cooling periods where temperatures were drastically different from what they are today. What makes today’s climate change so noticeable compared to other warm interglacial periods of the past is that rates of warming and carbon build-up in the atmosphere are occurring at unprecedented levels. . But […]
According to an international team of researchers from 17 countries. The results published last week in nature geoscience are based on observational evidence of three warm periods over the past 3.5 million years, when the world was 0.5°C to 2°C warmer than pre-industrial temperatures in the 19th century. The research has also revealed how large […]
[ad_1] Based on a unique global comparison of data from core samples taken from the ocean floor and polar ice caps, AWI researchers have now shown that although climate change has indeed diminished in the world between ice ages and interglacials, the difference is by no means as pronounced as previously assumed. Until now, it […]
[ad_1] It’s amazing what a little sun and blue sky can do for the soul. Add an increasingly dramatic fall color palette and you’ve got a classic Minnesota fall day. October sky. Paul Huttner / MPR News It was the days of October that built the legend of Minnesota’s fall weather. Try to find that […]
[ad_1] 1 Rosenzweig, C. et al. Assessing agricultural risks of climate change in the 21st century in a global intercomparison of mesh crop models. Proc. Natl Acad. Sci. United States 111, 3268-3273 (2014). CASE Item Google Scholar 2 Auffhammer, M. & Schlenker, W. Empirical studies on agricultural impacts and adaptation. Energy saving. 46, 555-561 (2014). […]
[ad_1] This figure shows the characteristic “horseshoe” model of Atlantic climate variability (upper left panel), as well as the temporal history of this model (lower left). Most of the previous studies attribute this to changes in ocean circulation. Our study compares climate models that include ocean circulation (top right) with climate models that do not […]
[ad_1] 1 Kosaka, Y. & Xie, SP. Recent hiatus in global warming linked to the cooling of the surface of the equatorial Pacific. Nature 501, 403–407 (2013). CASE Item Google Scholar 2 Fyfe, JC, Gillett, NP & Zwiers, FW Overestimation of global warming over the past 20 years. Nature Clim. Switch 3, 767-769 (2013). Item […]
Research by a UMD professor that separates the Earth’s natural climate variability from external factors indicates that these external factors – in particular greenhouse gas-induced climate change – are the probable cause of global warming of the planet. The study found that natural climate variability has likely helped keep things cooler in recent years than […]