THE Earth is a big thing; if you divided it up evenly among its 7 billion inhabitants, they would get almost 1 trillion tonnes each. To think that the workings of so vast an entity could be lastingly changed by a species that has been scampering across its surface for less than 1% of 1% of its history seems, on the face of it, absurd. But it is not.
L.A. Cicero Mark Z.
Good. Just know that it won’t save the tuna, protect the rain forest or stop global warming. The changes necessary are so large and profound that they are beyond the reach of individual action. You refuse the plastic bag at the register, believing this one gesture somehow makes a difference, and then carry your takeout meal back to your car for a carbon-emitting trip home.
20 October 2011 Last updated at 20:29 ET By Richard Black Environment correspondent, BBC News Weather stations are giving a true picture of global warming, the group found The Earth's surface really is getting warmer, a new analysis by a US scientific group set up in the wake of the "Climategate" affair has concluded. The Berkeley Earth Project has used new methods and some new data, but finds the same warming trend seen by groups such as the UK Met Office and Nasa. The project received funds from sources that back organisations lobbying against action on climate change.
Over 2 million workers in Canada spend some portion of their time on environmental activities, representing 12% of the total Canadian labour force. Environmental employment has grown rapidly from 70,000 green workers in 1992 to over 682,000 professionals in 2010 who spend at least 50% of their work time on environment-related activities. More businesses are looking for professionals who can link environment-related expertise with business planning.
As posted on Huffington Post .
White roofs may not be so green.
Map shows stark divide between who caused climate change and who's being hit | Damian Carrington | EnvironmentGreater risk from increased extreme weather combined with limited social and financial ability to cope means the global south has the greatest vulnerability. Photograph: Maplecroft When the world's nations convene in Durban in November in the latest attempt to inch towards a global deal to tackle climate change , one fundamental principle will, as ever, underlie the negotiations. Is is the contention that while rich, industrialised nations caused climate change through past carbon emissions, it is the developing world that is bearing the brunt. It follows from that, developing nations say, that the rich nations must therefore pay to enable the developing nations to both develop cleanly and adapt to the impacts of global warming.
Certaines espèces animales et végétales ont diminué de taille avec l'augmentation de la température et du C02 dans l'atmosphère. Lors d'un fort réchauffement de la planète il y a 55 millions d'années, certaines espèces avaient perdu jusqu'à 75% de leur taille. Le réchauffement climatique aurait une conséquence inattendue : le rapetissement des plantes et des animaux. Selon un article paru cette semaine dans la revue scientifique américaine Nature Climate Change , la mise en perspective de plusieurs études démontrerait que l'augmentation de la température de l'air et de l'eau provoque une baisse de la taille des animaux, des plantes et des micro-organismes.