All Global Warming
- Are human-caused and natural global warming different? Study says yes.A study suggests that human-caused and natural global warming episodes affect rainfall rates differently. The finding could help scientists better forecast what's ahead.
- Tornado threat: How are January tornadoes possible?A tornado threat was posted Tuesday. Tornadoes are unusual in winter, but a large swath of the country was under a tornado watch, with some areas facing a tornado warning.
- Andes glaciers melting at record ratesAndes glaciers, a vital source of fresh water for tens of millions of South Americans, are retreating at their fastest rates in more than 300 years, according to the most comprehensive review of Andes ice loss so far.
- How hot was 2012? Hottest on record in US, by a long shotGlobal warming 'has had a role' in making 2012 the hottest ever recorded in the lower 48 states, says a US climatologist. The average temperature was 54.3 degrees F., a full degree higher than the previous annual record.
- West Antarctica warming much faster than expectedAverage temperatures in West Antarctica rise 4.3 degrees since 1950s. The region's warming is nearly twice as much as expected and one of the most rapid on the planet.
- India tests ways to help farmers cope with climate changeConcerns about how climate change may be affecting India are bringing fresh urgency – and funding – to longstanding challenges in sustainable agriculture.
- Carbon tax: It's not coming soonA US carbon tax would raise revenue for the federal government. But there are three reasons a carbon tax won't be part of any budget compromise in the next few weeks.
- Are polar ice sheets shrinking? Report offers definitive answer at last.Numerous studies in recent years have offered different – and sometimes conflicting – views about ice sheets in Greenland and Antarctica. But a new report offers unprecedented scope.
- UN: 2012 was one of the hottest years everClimate Change Conference-goers in Doha learned Wednesday that 2012 will go down as one of the hottest years on record. A provisional statement by the UN warns of rising temperatures and melting ice.
- Why greenhouse gases hit record high in 2011Carbon dioxide, the primary greenhouse gas emitted by human activities, reached 390.9 parts per million last year, or 40 percent above the pre-industrial level, the World Meteorological Organization said. It cited fossil fuel as the primary source.
- World Bank: Tackle warming or poverty remainsClimate change will hit all nations, but especially the poor ones, says new World Bank report. Warming could flood Vietnam and Bangladesh, dry out other areas, causing water scarcity.
- FocusHow will New York keep out a rising sea? Dikes, huge sea wall, oyster beds?After superstorm Sandy, New York officials look for long-term solutions against future floods from storm surges. Many options, little consensus.
- Appearance of explosive WWI relics underscores Alps glaciers' retreatThe Alps' glaciers are in retreat at an alarming rate due to rising temperatures – as indicated by the discovery of rusted explosives left over from a nearly hundred-year-old cache.
- Blocking patterns: How global warming might have worsened US droughtTwo teams of researchers find that subtle changes brought about by global warming might be amplifying atmospheric blocking patterns, which keep weather conditions in place for a long time.
- Obama vs. Romney 101: 4 ways they differ on climate change As recently as 2008, presidential candidates openly sparred over their own plans for dealing with climate change. This year it's such a touchy topic that both sides prefer instead to talk about energy policy – a kind of proxy. Here are four ways the candidates differ.