Evidence from tree rings and other temperature proxies suggests that during the previous 500 years global temperatures were 1.0ºC cooler than those of the 20th century during a period roughly from [..]
The projected range of global averaged sea-level rise from the IPCC 2001 Assessment Report for the period 1990 to 2100 is shown by the lines and shading. The updated AR4 IPCC projections made are [..]
The ice cover in Greenland and Antarctica has two components – thick, grounded, inland ice that rests on a more or less solid bed, and thinner floating ice shelves and glacier tongues. An ice sheet is [..]
Feedback refers to the modification of a process by changes resulting from the process itself. Positive feedbacks accelerate the process, while negative feedbacks slow it down. Part of the uncertainty [..]
Exports of wood products from Indonesia, with final destinations such as China, Japan and North America. Almost three quarters of the wood end in destinations in Asia. In the black market, with [..]
Shows various countries and their levels of CO2 emissions per capita. Also indicates the difference from high income to low income nations on CO2 output.
Central to any study of climate change is the [..]
The impacts of reduced food availability, higher food prices
and thus lower access to food by many people have
been dramatic. It is estimated that in 2008 at least 110
million people have been [..]
The Arctic plays host to a vast array of biodiversity, including many globally significant populations. Included among these are more than half of the world´s shorebird species, 80% of the global [..]
With climate conditions changing in the future, due to increased concentrations of carbon dioxide in the atmosphere, conditions for pests also change. The primary Malaria agent, the falciparum malaria [..]
The agricultural sector is by far the biggest user of freshwater. Analysis indicates that:
- In the United States, agriculture accounts for some 49% of total freshwater use, with 80% of this volume [..]
As valuable timber becomes rare outside of parks, militias enter parks and illegally cut and produce charcoal inside parks – even the best protected park of the Virungas housing large shares of the [..]
As populations are rapidly rising in the Greater Congo Basin, so is the pressure on great ape habitat, and even more, the numbers killed relative to the gorilla populations to supply bushmeat.
