Sentences with phrase «about warming the earth»

Arrhenius and Callendar were very positive about a warm earth.

Not exact matches

There were no test tubes or Bunsen burners, but a courtroom turned into a science classroom Wednesday for a U.S. judge considering lawsuits that accuse big oil companies of lying about the role of fossil fuels in the Earth's warming environment.

CO2 levels have increased from about 280 ppm to 390 ppm over the past 150 years or so, and the earth has warmed by about 0.8 degree Celsius during that time.

We would learn how things worked — what we could eat, how to keep warm, etc, and eventually we'd learn about healing diseases, and gravity, and the earth orbiting the sun, and chemistry, and particle physics, etc..

When God created this wonderful planet, he gave us a little blanket called carbon dioxide that keeps the Earth about 7 degrees warmer than it would be without it.

Scientific studies of global warming talk about the variation of the earths temperature over millions of years — oops.

Consumers — particularly millennials — are increasingly concerned about global warming and the Earth's finite resources, and believe that this demands a shift toward a more plant - based diet.

I completely agree with your observation about how baby was cuddled up in your warm, soft, heart - beating tummy for so long, why on earth do we expect babies to sleep on a cold, firm, lifeless, solitary crib just days after they are born?

But it wasn't until she wrote this poignant post, «Mothers Needed to Protect the Earth,» that I really started thinking harder about harnessing the power of the Green Mom blogosphere to draw attention to climate change and to advocate changes to slow the rate of global warming.

Instead, the fossil record indicates they vanished during the Earth's glacial - interglacial transition, which occurred about 12,000 years ago and led to much warmer conditions and the start of the current Holocene period.

By improving the understanding of how much radiation CO2 absorbs, uncertainties in modelling climate change will be reduced and more accurate predictions can be made about how much Earth is likely to warm over the next few decades.

Skeptic: Let's talk in 30 years While debate flared around what to do about climate change, the notion that the earth is warming might be more widely accepted.

The study also concludes that, over a 15 - year period, cutting the black carbon produced by burning fossil fuels, vegetation, dung and other sources could reduce the warming the Earth has experienced since the Industrial Revolution — about 0.8 degrees Celsius — by 17 to 23 percent.

But for planetary scientists, Jupiter's most distinctive mystery may be what's called the «energy crisis» of its upper atmosphere: how do temperatures average about as warm as Earth's even though the enormous planet is more than fives times further away from the sun?

Act one in the most common story about life's origins opens in a warm puddle of «primordial soup» somewhere on Earth.

The BBC team used clever analogies and appealing graphics to discuss three key numbers that help clarify important questions about climate change: 0.85 degrees Celsius — how much the Earth has warmed since the 1880s; 95 % — how sure scientists are that human activity is the major cause of Earth's recent warming; and one trillion tons — the best estimate of the amount of carbon that can be burned before risking dangerous climate change.

While Earth's landmass has warmed by about 1 degree Celsius (about 2 degrees Fahrenheit) over the past century, on average, land temperatures in the Arctic have risen almost 2 C (3.6 F).

So if you think of going in [a] warming direction of 2 degrees C compared to a cooling direction of 5 degrees C, one can say that we might be changing the Earth, you know, like 40 percent of the kind of change that went on between the Ice Age; and now are going back in time and so a 2 - degree change, which is about 4 degrees F on a global average, is going to be very significant in terms of change in the distribution of vegetation, change in the kind of climate zones in certain areas, wind patterns can change, so where rainfall happens is going to shift.

This may provide insight about what to expect in the future as Earth's climate continues to warm and oceans keep acidifying.

If the scientists at CLOUD are able to prove that cosmic rays can change Earth's cloud cover, would that force climate scientists to reevaluate their ideas about global warming?

The last time researchers believe the carbon dioxide concentration in the atmosphere reached 400 ppm — between 3 and 5 million years ago during the Pliocene — Earth was about 3.5 to 9 degrees Fahrenheit warmer (2 to 5 degrees Celsius) than it is today.

The deceleration in rising temperatures during this 15 - year period is sometimes referred to as a «pause» or «hiatus» in global warming, and has raised questions about why the rate of surface warming on Earth has been markedly slower than in previous decades.

James Hansen, director of NASA's Goddard Institute for Space Studies in New York City and a vociferous advocate for lowering global greenhouse gas emissions, was chosen for his work modeling Earth's climate, predicting global warming, and warning the world about the consequences.

The Earth's average surface temperature is about 33 °C warmer than it would be without the greenhouse effect.

Experiments carried out in the OU Mars Simulation Chamber — specialised equipment, which is able to simulate the atmospheric conditions on Mars — reveal that Mars» thin atmosphere (about 7 mbar — compared to 1,000 mbar on Earth) combined with periods of relatively warm surface temperatures causes water flowing on the surface to violently boil.

One potentially quick fix being bandied about in India is the replacement of old cooking stoves that produce Earth - warming, lung - clogging black carbon (a.k.a.

Three million years ago, Earth was several degrees warmer than it is today — about the same global temperature that we may see by the year 2100.

The hunt for exoplanets has, in some ways, been about the hunt for an Earth - like planet — something warm where water could exist.

EARTH SCIENTISTS have been forced to think again about how our planet kept warm in its first two billion years.

The sediment cores used in this study cover a period when the planet went through many climate cycles driven by variations in Earth's orbit, from extreme glacial periods such as the Last Glacial Maximum about 20,000 years ago, when massive ice sheets covered the northern parts of Europe and North America, to relatively warm interglacial periods with climates more like today's.

The additional warming potential is a few watts per square metre of the Earth's surface, or about double the heating effect of all human energy use.

«The Arctic is warming faster than just about any place on Earth,» Pfirman said.

Climate simulations suggest that that upwelling has generally cooled Earth's climate, stifling about 0.1 °C to 0.2 °C in warming that would have occurred by 2012 if winds hadn't been inordinately strong, the researchers reported online yesterday in Nature Climate Change.

Wet Earth Erin Wayman's article «Faint young sun» (SN: 5/4/13, p. 30), about how the early Earth stayed warm enough for liquid water, made me wonder about the effect of the temperature of the planet itself.

Scientists knew about the warming effects of greenhouse gases, but proponents of global cooling argued that greenhouse warming would be more than offset by Earth's orbital changes.

Earth's storm clouds are stopped about 20 kilometres up by a layer of warm air heated by ozone, which absorbs the sun's ultraviolet rays.

There was an era called white earth which starts about 700 million years ago with alternating periods of deep ice sheets and then hotter warmer stages which led to formation of various kinds of crystals, and last and luckily we live in the period known as green earth, which started about 400 million years ago when multicellular life arose and wholly changed to biochemical breakdown the makeup of the minerals on the planet again.

This took place about 8 million years ago, in the Miocene epoch, as Earth began to warm, the Mediterranean Sea dried up and Africa's thick forests transitioned to grasslands and savannah.

So even without concerns about the warming effect of carbon pollution in Earth's atmosphere, the Paris agreement goes a long way toward reducing harmful air pollution worldwide.

Professor Drijfhout said: «The planet earth recovers from the AMOC collapse in about 40 years when global warming continues at present - day rates, but near the eastern boundary of the North Atlantic (including the British Isles) it takes more than a century before temperature is back to normal.»

Paleoclimatologists instead look into Earth's history to a time when the planet was warmer than it is today, about 3 million years ago.

When you're talking about global warming and melting ice caps, as everyone seems to be, a five - millimeter adjustment in the modeled diameter of the Earth could be the difference between sea levels appearing to rise from any given year to the next and then appearing to drop.

OSLO, Nov 30 (Reuters)- Climate scientists are tracking an erupting volcano on the Indonesian holiday island of Bali for clues about a possible short - cut to curb global warming by injecting sun - dimming chemicals high above the Earth.

News headlines about record - breaking temperatures, disappearing summer sea - ice and retreating Greenland glaciers frequently remind us that the Arctic is warming more rapidly than any other place on Earth.

Abstract: Analyses of underground temperature measurements from 358 boreholes in eastern North America, central Europe, southern Africa, and Australia indicate that, in the 20th century, the average surface temperature of Earth has increased by about 0.5 degrees C and that the 20th century has been the warmest of the past five centuries.

It's now commonplace to talk about global warming and carbon footprints, so much so that it's easy to forget that until quite recently few thought it was even possible that the actions of our species could have a potentially catastrophic effect on the Earth's climate.

Hence, Earth - type life around flare stars may be unlikely because their planets must be located very close to dim red dwarfs to be warmed sufficiently by star light to have liquid water (about 0.007 AU for Proxima), which makes flares even more dangerous around such stars.

The study noted that the same climate models the UN IPCC uses can only «explain only about half of the heating that occurred during a well - documented period of rapid global warming in Earth's ancient past.»

«The study found that climate models explain only about half of the heating that occurred during a well - documented period of rapid global warming in Earth's ancient past.

His research was just published in Nature Geoscience, and the theory it proposes solves two long - standing riddles about the early earth: How come the earth was warm enough to have water when the sun was only three - quarters as bright 4 billion years ago, and where on earth did the nitrogen needed for life come from?