News tagged with earth climate

Antarctica to Pyramids -- lights dim for Earth Hour (Update)

(AP) -- From an Antarctic research base to the Great Pyramids of Egypt and beyond, the world switched off the lights on Saturday for Earth Hour, dimming skyscrapers, city streets and some of the world's most ...

Space & Earth / Environment

created Mar 28, 2009 | popularity 4.5 / 5 (122) | comments 21

Critical turning point can trigger abrupt climate change

Ice ages are the greatest natural climate changes in recent geological times. Their rise and fall are caused by slight changes in the Earth's orbit around the Sun due to the influence of the other planets. But we do not know ...

Space & Earth / Earth Sciences

created Apr 20, 2009 | popularity 4.6 / 5 (58) | comments 9

Study: Earth more sensitive to carbon dioxide than previously thought

In the long term, the Earth's temperature may be 30-50% more sensitive to atmospheric carbon dioxide than has previously been estimated, reports a new study published in Nature Geoscience this week.

Space & Earth / Earth Sciences

created Dec 06, 2009 | popularity 3.1 / 5 (53) | comments 91

NASA Launches 'Eyes on the Earth 3-D'

(PhysOrg.com) -- New interactive features on NASA's Global Climate Change Web site give the public the opportunity to "fly along" with NASA's fleet of Earth science missions and observe Earth from a global ...

Space & Earth / Earth Sciences

created Mar 13, 2009 | popularity 4.6 / 5 (34) | comments 0

Study sheds new light on how the Sun affects the Earth's climate

The Sun's activity has recently affected the Earth's atmosphere and climate in unexpected ways, according to a new study published today in the journal Nature. The study, by researchers from Imperial Colleg ...

Space & Earth / Earth Sciences

created Oct 06, 2010 | popularity 4 / 5 (36) | comments 52 | with audio podcast

Geologist discovers pattern in Earth's long-term climate record

In an analysis of the past 1.2 million years, UC Santa Barbara geologist Lorraine Lisiecki discovered a pattern that connects the regular changes of the Earth's orbital cycle to changes in the Earth's climate. ...

Space & Earth / Earth Sciences

created Apr 06, 2010 | popularity 4.6 / 5 (30) | comments 24 | with audio podcast

Climate models make too hot forecasts of global warming

Data from NASA's Terra satellite shows that when the climate warms, Earth's atmosphere is apparently more efficient at releasing energy to space than models used to forecast climate change have been programmed to "believe."

Space & Earth / Earth Sciences

created Jul 29, 2011 | popularity 4 / 5 (32) | comments 161 | with audio podcast

Why Hasn't Earth Warmed as Much as Expected?

(PhysOrg.com) -- Planet Earth has warmed much less than expected during the industrial era based on current best estimates of Earth's "climate sensitivity" -- the amount of global temperature increase expected ...

Space & Earth / Earth Sciences

created Jan 19, 2010 | popularity 3.5 / 5 (31) | comments 97 | with audio podcast

Venus holds warning for Earth

(PhysOrg.com) -- A mysterious high-altitude layer of sulphur dioxide discovered by ESA's Venus Express has been explained. As well as telling us more about Venus, it could be a warning against injecting our ...

Space & Earth / Space Exploration

created Nov 30, 2010 | popularity 4.5 / 5 (24) | comments 15 | with audio podcast

Global sea level likely to rise as much as 70 feet for future generations

Even if humankind manages to limit global warming to 2 degrees C (3.6 degrees F), as the Intergovernmental Panel on Climate Change recommends, future generations will have to deal with sea levels 12 to 22 meters (40 to 70 ...

Space & Earth / Earth Sciences

created Mar 19, 2012 | popularity 3.3 / 5 (32) | comments 256 | with audio podcast

Methane may be answer to 56-million-year question

(PhysOrg.com) -- The release of massive amounts of carbon from methane hydrate frozen under the seafloor 56 million years ago has been linked to the greatest change in global climate since a dinosaur-killing ...

Space & Earth / Earth Sciences

created Nov 09, 2011 | popularity 4.9 / 5 (21) | comments 18 | with audio podcast

Light bulb with 20-year life unveiled in US on Earth Day

A prize-winning, super energy saving LED bulb from Dutch electronics giant Philips, said to last over 20 years, went on sale online and in stores Sunday to coincide with Earth Day.

Technology / Energy & Green Tech

created Apr 22, 2012 | popularity 3.6 / 5 (26) | comments 44

Early life on Earth may have developed more quickly than thought (w/ Video)

The Earth's climate was far cooler -- perhaps more than 50 degrees -- billions of years ago, which could mean conditions for life all over the planet were more conducive than previously believed, according ...

Space & Earth / Earth Sciences

created Nov 11, 2009 | popularity 4.8 / 5 (19) | comments 0

How Earth's orbital shift shaped the Sahara

A change in the Earth’s orbit, many scientists believe, transformed the “Green Sahara” into what is now the largest desert on the planet. While scientists are still trying to find out if the ...

Space & Earth / Earth Sciences

created Dec 21, 2010 | popularity 4.5 / 5 (20) | comments 20 | with audio podcast

Oceans in distress foreshadow mass extinction

Pollution and global warming are pushing the world's oceans to the brink of a mass extinction of marine life unseen for tens of millions of years, a consortium of scientists warned Monday.

Space & Earth / Environment

created Jun 20, 2011 | popularity 4.3 / 5 (20) | comments 22