Download Climate in Peril: A Popular Guide to the Latest Ipcc Reports by Alex Kirby PDF

By Alex Kirby

Warming of the weather process is past argument, as proven through observations of raises in typical air and ocean temperatures, the frequent melting of snow and ice, and emerging worldwide sea degrees. yet because the messages from scientists develop into more and more specific, the space among the necessity for motion they venture and the weather coverage the area leaders installed position is still. the aim of this advisor is to extend public knowing concerning the urgency of motion to strive against weather swap and its affects.

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2 billion – between 10 and 23 per cent of the world’s population. 6°C over pre-industrial levels. Complete melting of the Greenland ice sheet would raise sea level by 7m and could be irreversible. Meridional overturning circulation The possibility which continues to fascinate the media, where potentially abrupt change could take place, is in the meridional overturning circulation of ocean water. Ocean currents have specific patterns that are determined by different water densities. Based on current model simulations, it is very likely that the meridional overturning circulation (MOC) of the Atlantic Ocean (the mixing of cold and warm water around the meridian) will slow down during this century (the Gulf Stream bringing warm water to Northern latitudes of Europe is part of this circulation system); nevertheless temperatures in the region are projected to increase.

1 - Atmospheric CO2 concentrations were 379ppm in 2005 2 - The best estimate of total CO2-eq concentration in 2005 for all long-lived GHGs is about 455ppm, while the corresponding value including the net effect of all anthropogenic forcing agents is 375ppm CO2-eq 3 - Equilibrium sea level rise only reflects the contribution of ocean thermal expansion and does not reach equilibrium for many centuries. 6m per degree Celsius of global average warming above pre-industrial levels. 42 Climate in Peril Mitigation techniques and strategies today and tomorrow Strategies available today Strategies available tomorrow* TRANSPORT • • • • • • hybrid and more fuel-efficient vehicles cleaner diesel engines biofuels shifts from road to rail and public transport cycling and walking land use and transport planning • second generation biofuels • higher-efficiency aircraft • advanced electric and hybrid vehicles with more powerful and reliable batteries BUILDINGS • • • • • • • more efficient appliances efficient lighting improved insulation use of daylight passive and active solar design alternative refrigeration fluids recovery and recycling of fluorinated gases • integrated design of commercial buildings including technologies such as intelligent meters that provide feedback and control • solar photovoltaics integrated in buildings INDUSTRY • • • • • more efficient electrical equipment heat and power recovery material recycling and substitution control of non-CO2 gas emissions a wide array of process-specific manufacture • advanced energy efficiency • CCS for cement, ammonia and iron manufacture • inert electrodes for aluminium • improved crop and pasture management to increase soil carbon storage • restoration of cultivated peaty soils and degraded land • improved rice-growing techniques and livestock and manure management to reduce methane emissions • improved nitrogen fertilizer • Improved crop yields FORESTRY • • • • afforestation and reforestation reducing deforestation improved management of forest resources use of wood for bio-energy to replace fossil fuels • tree species improvement to increase biomass productivity and carbon sequestration WASTE • • • • • recovering methane from landfills waste incineration with energy recovery composting organic waste controlled wastewater treatment recycling and minimising waste • biocovers and biofilters to optimize methane oxidization (such technologies improve methane combustion by minimizing carbon emissions).

Toaster Bread Dinner Frozen vs. fresh vegetables Fridge DSL modem Class A vs. Boiling water Standby vs. really Off Class A++ labelling Standby vs. really Off Electric stove vs. kettle Adaptation options A wide range of options on how to adapt to a changing climate is available, but more adaptation than is happening now is needed to reduce vulnerability. Humans, other species, physical features and natural processes are all potentially vulnerable to the impacts of a changing climate, though to widely differing degrees.

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