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Scientists are sounding the alarm because this warming is shockingly bigbigger than what we would have expected given the long-term warming trend from fossil fuel-caused climatechange. Albedo is the total reflection of incoming solar radiation by Earth. But why were 2023 and 2024 so warm? What is albedo?
As predicted in 1967 by Manabe and Wetherald , the stratosphere has been cooling. The dominant factors are changes in CO2 (a cooling), ozone depletion (a cooling), warming from big volcanoes, and oscillations related to the solar cycle. So the net effect is less absorption and more emittence, and thus they give a cooling.
In the last few months he has given two interviews in which he goes into to detail about what he describes as a ‘missing element’ in climate science and what he imagines the consequences are for climatechange. The second was a podcast with the somewhat troubled Chris Smith , an Australian journalist. .
Here are a few things that mark this report out from previous versions that relate to issues we’ve discussed here before: Extreme events are increasingly connected to climate (duh!) Extremes : Back in 2012, the literature assessed by AR5 connecting changes in extremes to climatechange was scant.
Two decades ago, in an interview with science journalist Richard Kerr for the journal Science, I coined the term the “Atlantic Multidecadal Oscillation” (AMO) to describe an internal oscillation in the climate system resulting from interactions between North Atlantic ocean currents and wind patterns. Background.
estimate of no further CO 2 -induced warming or cooling once global CO 2 emissions reach and stay at next zero. ZEC therefore causes no changes between SR1.5 Rogelj et al, 2018; Huppmann et al, 2018), but with climate projections updated entirely with dedicated climate emulators that integrate the scientific information across chapter.
This knowledge can help with solar radiation management in marine ecosystems, including the Great Barrier Reef. As frequency and severity of mass bleaching events are expected to increase in the future, researchers are looking for ways to protect corals from excessive radiation and temperatures.
Picture how a radiator heats a home. Water is heated by a boiler, and the hot water circulates through pipes and radiators in the house. The radiators warm up and heat the air in the room. The radiators are, in fact, cooling down, but their stored heat is still warming the air in the room.
Student in the Department of Atmospheric Science at Colorado State University Most people remember the water cycle they learned in school: water evaporates from lakes, rivers, and the ocean, air carrying this moisture rises, cools, condenses, and forms clouds, and these clouds precipitate water back down to the surface.
For example, Antarctica acts to cool our planet by reflecting solar radiation back to space by virtue of the brightness of its snow surface. The danger is that the Antarctic sea ice is starting to behave like the Arctic, with sustained loss of ocean cover and consequent absorption of solar radiation.
As climatechange accelerates, low-income districts in the Southwestern United States are 4 to 7 degrees hotter in Fahrenheit — on average — than wealthy neighborhoods in the same metro regions, University of California, Davis, researchers have found in a new analysis. . Becoming Arizona: Heat and ClimateChange Series.
Roofs covered with reflective paints, for example, reflect more of the solar radiation hitting them and capture less heat as a result. Further, in addition to directly reducing absorbed heat, cool roofs can reduce demand for air conditioning. is available through the Smart Surfaces Coalition.)
Rooftop farms and gardens that take advantage of underutilized roof space are a popular option, providing new food resources while simultaneously cooling the surrounding area, increasing building insulation, and improving air quality.
But since it became clear that human actions are damaging the environment and changing the climate, it has become much more prominent nationally and internationally with most government departments in most countries having responsibilities to mitigate or prepare for climatechange scenario. The Human Impacts on Climate.
Is climatechange making ‘firenadoes’ more likely? Can climate resilience technology help businesses protect people and property from such devastating wildfire events? Much like big volcanic eruptions, the smoke from fire tornadoes can block radiation from the Sun and potentially cause temporary climaticcooling.
Glaciers are important indicators of climatechange. When rock surfaces are exposed, isotopes such as carbon-14 and beryllium-10 form due to bombardment by cosmic radiation. From this, they conclude that these rocks must have remained covered by ice throughout the entire Holocene, shielding them from cosmic radiation.
Extreme heat and heatwaves are growing more frequent and more severe because of climatechange. That often brings to mind images of people trying to catch some shade under a baking hot sun or city kids cooling off in a fountain while their parents sweat on the sidelines. How much more likely are hot nights given climatechange?
In an unchanging climate, the random fluctuations would lead to warming in some parts of the world and cooling in others. In a world with just random local fluctuations but no climatechange, about half the weather stations would show a (more or less significant) warming, the other half a cooling.
It is early September, and we are late into what we at UCS call Danger Season , or the period between May and October when climatechange is increasing the frequency, intensity, and/or duration of extreme weather events such as heat waves and wildfires. F, breaking the previous record of 114°F from 1925.
It's fundamental to the Earth sciences such as meteorology and is vital in our understanding of this generation's most pressing problem - climatechange. RELATED : Online Masters in Energy Policy and Climate. It is also important for plotting and predicting the effects of climatechange. Particle Physics.
Those technical screening criteria should reflect the highest standards of nuclear safety, radiation protection and radioactive waste management, building upon requirements laid down in the Euratom Treaty and in Union legislation adopted under that Treaty, and in particular in Council Directive 2009/71/Euratom.
Last week, the Nobel physics prize was (half) awarded to Suki Manabe and Klaus Hasselmann for their work on climate prediction and the detection and attribution of climatechange. This came as quite a surprise to the climate community – though it was welcomed warmly. But let’s go back to the beginning.
The work UCS is doing on climatechange, voting rights and nuclear security is deeply tied to the needs and demands made at the Poor People’s March last month. Here’s how: Climatechange : roughly 140 million people in the U.S. are one emergency away from financial disaster. percent, compared to an average of 2.3
This post is an introduction to methane in climatechange: where it comes from, how it’s different from CO 2 , how those differences matter, and what that all means for controls. In the early days of the climate issue, when discussions were mainly scientific, normal practice was to measure CO 2. W/m 2 from elevated CO 2.
Albedo The amount of solar radiation reflected from an object or surface, often expressed as a percentage. Carbon Dioxide A naturally occurring gas, and also a byproduct of burning fossil fuels and biomass, as well as land-use changes and other industrial processes. compressed natural gas, solar, hydroelectric, wind). See, Weather.
Long term, climatechange is a greater threat than the COVID-19 pandemic. Without human-induced climatechange, that heat would be at least 150 times rarer. On balance, clouds nearer the stratosphere warm us, whereas low-lying clouds tend to cool us because their greenhouse effect is smaller.
Some of the impacts of climatechange are playing out faster and with a greater magnitude than we predicted.”. While we still have those things, the facts show that climatechange has transformed the months of May through October into what we are calling the Danger Season. Those impacts do not affect everyone equally.
There may also be an extreme variation between warm and cool seasons, including extreme winds and storms due to the mixing of cold and warm air. Surface albedo is high - heat acquired during the day is radiated at night. Climatechange presents a risk of desertification of present marginal landscapes.
(Figure 1) These properties are a double-edged sword: while they are the root of the problems that black carbon causes, they also make mitigating black carbon one of the most actionable ways to fight climatechange. Figure 1: Size reference for atmospheric particles (US EPA 2016) and a general structure of freshly created black carbon.
First, some background drawing from my previous posts: Solar geoengineering (SG) is a set of technological interventions in the climate system being discussed, which could provide quick, temporary, imperfect relief for severe near-term climatechange impacts. OMG, climatechange must be even worse than I thought.
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