North Pole's ancient past holds lessons for future global warming
...ctodinium, which previously had been restricted to warmer regions of the world," said co-author Henk Brinkhuis, a marine palynologist and biogeologist from Utrecht University in the Netherlands. "The presence of Apectodinium during the Paleocene-Eocene Thermal Maximum confirms subtropical conditions in the ......could cause heat to flow from a colder region to a warmer one, much as household heat pumps cool homes with ... provided the molecules surrounding the wedges are warmer than the molecules surrounding the paddles, and heat will be moved through to the cooler side in the...The vicious cycle of rainforest destruction
...the tropics are rainforest and savanna. As it gets warmer and drier the rainforest gets invaded by savanna, which has fewer trees and holds less carbon in the soil. Savanna also doesn't recycle water in the same way as rainforest, so the carbon loss from the savanna is greater and the atmosphere becomes dri...Using satellite observations to study photosynthetic trends in northern circumpolar high latitudes
...of boreal forests to capture and store carbon in a warmer world is not as great as we've previously supposed... than a systematic greening of high latitudes with warmer temperature, we are seeing a more nuanced and surprisingly rapid response to changes in climate. Wh...Pollutant haze heats the Arctic
...makes the Arctic 2 degrees to 3 degrees Fahrenheit warmer during polluted, cloudy episodes than it would be ...eas are desert-like, and pollution is trapped when warmer air aloft holds down cold air at the ground surface. "The pollution is similar to the haze we get ...Wisconsin scientists discover a master key to microbes' pathogenic lifestyles
...soil molds found around the world encounter a new, warmer environment. And as soon as they do, they rapidly shift gears and assume the guise of pathogenic yeast, causing such serious and sometimes deadly afflictions as blastomycosis and histoplasmosis. But how these usually bucolic fungi undergo such a tra......t scientific research, you would want to move to a warmer climate, where your mane would be more impressive....it started getting smaller, to fit you to your new warmer climate! It's long been known that lions with long, full manes get the girls. Now, an innovative stu...Satellite instrument helps tackle mysteries of ozone-eating clouds
...ly changing climate where the Earth's surface gets warmer due to trapped greenhouse gases but the stratosphere gets colder, providing an environment in which the clouds can form. An increase in PSCs could counteract the recovery of the ozone layer. Although scientific efforts have focused on determining PS...NASA helps researchers diagnose recent coral bleaching at Great Barrier reef
...sed view of the coral reefs. Bleaching occurs when warmer than tolerable temperatures force corals to cast out the tiny algae that help the coral thrive and give them their color. Without these algae, the corals turn white and eventually die, if the condition persists for too long. "Australia's Great Barrie...New beginning of 'natural spring' announced by UNH scientist, group
...nd analysis of data on apple yields indicates that warmer temperatures from January 1 to bud break correlated with lower yields, not higher." Wolfe also reported that the magnitude of the impact of earlier bloom dates on woody perennials in the Northeast "is similar to that reported for bloom of other plant...Purdue project could help pets serve as disease watchdogs
...th a two-month lag and peak rates occurring during warmer months. This information allows veterinarians to anticipate unusual occurrences of diseases that are transmitted from animals to humans and design treatment methods. Public health officials also could be alerted so they could provide timely informati...Sociality of sweat bees evolved simultaneously during climate change
...at species and populations at low latitudes and in warmer regions are often fully social, whereas they are solitary at higher latitudes and altitudes, which are colder." Warmer regions have longer growing seasons, he explained, which allows two broods to emerge instead of one. The first brood (workers) hel...Woods Hole Research Center scientist furthering discussion of soil carbon decomposition
...tlands, and permafrost is susceptible to loss in a warmer world. If you unplug your refrigerator, you can demonstrate that your food, which is basically organic matter, spoils more quickly when it is warm. However, because the soil is a complex mixture of minerals and organic matter derived from plant lea...A warmer Arctic Ocean may mean less food for the birds, fish, and baleen whales and be a significant detriment to that fragile and interconnected polar ecosystem, and that doesn't bode well for other ocean ecosystems in the future. That's the word from Univer...The rising tide of ocean plagues: How humans are changing the dynamics of disease
... believe that these high rain events are linked to warmer ocean conditions in the Pacific during El Nino events. This newly revealed connection to remote sea surface temperatures via increased local rainfall is especially striking because it points to the possibility of using ocean temperatures as an early...Medieval diaries aid scientists ascertain increase in hot spots due to global warming
...row tree rings over time C wider rings relating to warmer temperatures. Ice from cores drilled in the Greenland ice sheets revealed which years were warmer than others by the chemical composition of the ice. They also used a record developed from diaries ...Declining snowpack cools off CO2 emissions from winter soils, says U. of Colorado study
...riving up to a month earlier on Niwot Ridge due to warmer temperatures, Monson said. This puts additional stress on the trees, with the end result being that they absorb less CO2 over the course of a year, he said. The measurement of CO2 transport in temperate mountain forests like Niwot Ridge is critical...Study finds evolution doesn't always favor bigger animals
...ger surface to volume ratios are better adapted to warmer environments where they can more effectively dissi...going to look like when everything must adapt to a warmer world? Size correlates with many aspects of the biology of an animal so changes in size are likely t...Climate change drives widespread amphibian extinctions
... on tropical mountains, leading to cooler days and warmer nights, both of which favor the chytrid fungus. The organism grows and reproduces best at temperatures between 63 to 77 degrees Fahrenheit (17 to 25 degrees centigrade). The fungus kills frogs mostly in cool highlands or during winter, implying that ...... give us cause for concern about human health in a warmer world," said Andrew Blaustein, a professor of zoology at OSU, in the Nature article. "As global change is occurring at an unprecedented pace, we should expect many other host taxa, from ants to zebras, to be confronted with similar challenges." Very...