Carbon Footprints
The carbon footprint is a certificate that measure emissions are carbon dioxide (CO2) that are made in the production of goods, from raw material procurement to the treatment of waste, through the manufacturing and transport. Therefore CO2 footprint is the measure of the impact that human activities on the environment and is determined by the amount of greenhouse gases produced,...
Rising rivers set to wreck Bangladesh
Arguments over the causes of global warming will bring little succour to the people of Bangladesh. Flooding in the country is set to increase by up to 40 per cent this century as global temperatures rise, the latest climate models suggest. Each year, roughly a fifth of Bangladesh is flooded, and climate change is forecast to exacerbate the problem as sea levels rise, monsoons become...
Scientists Warn Of Western Drought
ECHO SUMMIT, Calif. — Frank Gehrke skied out on an unseasonably warm March day to take the final Sierra Nevada snowpack measurements of the season near this mountain pass south of Lake Tahoe — only to be stopped short by a muddy meadow where usually there would be deep snow. Something is happening to the snowpack, according to measurements Gehrke has collected...
A new Ice Age? None soon, says study
Evidence from the oldest layers of Antarctic ice ever collected suggests that the earth is not even halfway through the current warm era NEW YORK – Despite the recent trend towards global warming, scientists have long wondered whether the earth is nearing another Ice Age, an end to the 12,000-year temperate spell in which civilisations arose. Some have said such a transition...
Asian farmers sucking the continent dry
The world is on the verge of a water crisis as people fight over ever dwindling supplies, experts told the Stockholm Water Symposium. A generation ago, Indian farmers in the state of Gujarat used bullocks to lift water from shallow wells in leather buckets. Now they haul it from 300 metres below ground using electric pumps. But that technological revolution is about to have devastating...
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Ranking Power: scorecards for electricity companies
WWF has launched its global Power Switch! public campaign aiming to persuade the power sector to become carbon neutral by mid of the 21st century. Clearly this is an important…
Carbon sequestration in temperate grassland ecosystems and the influence of management, climate and elevated CO2
The substantial stocks of carbon sequestered in temperate grassland ecosystems are located largely below ground in roots and soil. Organic C in the soil is located in discrete pools, but…
Parallel influence of climate on the behaviour of Pacific killer whales and Atlantic bottlenose dolphins
The grouping behaviour of animals is governed by intrinsic and extrinsic factors which play an important role in shaping their social organization. We investigated the influence of ocean climate variation…
Impacts of climate change on aeroallergens: past and future
Human activities are resulting in increases in atmospheric greenhouse gases, such as carbon dioxide, and changes in global climate. These, in turn, are likely to have had, and will continue…
Effect of CaCO3 (aragonite) saturation state of seawater on calcification of Porites coral
Using living corals collected from Okinawan coral reefs, laboratory experiments were performed to investigate the relationship between coral calcification and aragonite saturation state (Ω) of seawater at 25˚C. Calcification rate…
Global Change and the Earth System
The interactions between environmental change and human societies have a long, complex history spanning many millennia, but these have changed fundamentally in the last century. Human activities are now so…
Climate Change in the Hawkeye State: Potential Impacts on Iowa Communities and Ecosystems
Iowa located in the very heart of North America, is bound by the Mississippi River to the east and the Missouri to the west. Iowa lies in a transition zone…
Glacier variations and climate warming and drying in the central Himalayas
Repeat measurements of glacier terminus positions show that glaciers in the central Himalayas have been in a continuous retreat situation in the past decades. The average retreat rate is 5.5-8.7…
INTERLINKAGES BETWEEN BIOLOGICAL DIVERSITY AND CLIMATE CHANGE
Biological diversity includes all plants, animals, microorganisms, the ecosystems of which they are part, and the diversity within species, between species, and of ecosystems 1. No single component of biodiversity…
Climate Change 2001: Working Group I: The Scientific Basis
Climate Change 2001: The Scientific Basis is the most comprehensive and up-to-date scientific assessment of past, present and future climate change. The report: Analyses an enormous body of observations of…
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