Archive for the ‘Africa’ Category
The Drought in Developing World Water Investments
Sunday, September 28th, 2008Between 1990 and 2004, an estimated $41 billion was invested in the water sector. By 2004, nearly half of these investments were either canceled or in distress. As a result, total investment in all countries has fallen substantially since the late 1990s. In addition, investment in middle- and low-income countries ...
China Surpasses U.S. As Climate-Change Culprit #1
Wednesday, September 24th, 2008NASA's Map of Carbon Emissions Dark Red = Highest Intensity The United States has lost its status as the world's leading source of carbon emissions. Carbon dioxide emissions from burning fossil fuels and manufacturing cement have increased 38% since 1992. But the global geography of carbon emissions has shifted dramatically since then, according ...
Global Carbon Snapshot: Sinks and Sources
Wednesday, September 17th, 2008NASA created this map from a satellite image of the world's primary carbon sinks and emissions sources in 2003. High concentrations are shown in red and lower concentrations are shown in blue.
Next-Generation Clean-Water Technologies Emerge
Wednesday, September 3rd, 2008China plans to raise the price of water later this year. News of the change sparked a surge in stock prices for water utilities and higher valuations for advanced water technology companies. Here is a snapshot of the latter: Desalination Technology Overview Desalination technology costs have fallen by as much as 80% ...
Where Indoor Smoke Kills People?
Monday, August 25th, 2008The smoke created by burning wood or similar forms of biomass contains tiny particles that penetrate many of the most sensitive regions of a person's lungs. Long term exposure to those particles can cause acute lower respiratory disease, pulmonary disease, cancers and other illnesses. These dangerous air-borne particles are frequently ...
Watching the Biosphere
Tuesday, August 12th, 2008The Earth's Biosphere For much of the last decade, scientists have monitored Earth's changing environment in ways never before possible. The Sea-viewing Wide Field-of-View Sensor (SeaWiFS) , aboard the OrbView-2 satellite, has given researchers an unprecedented view of the countless forms of plants that cover the land and fill the ...
Climate Change Will Change Everything Constantly
Thursday, August 7th, 2008Where the Carbon Comes From? The World's Changing Carbon Footprints If you haven't noticed yet, it's apocalypse season again. New movies heralding the end of times like Apocalypto and the Andromeda Strain seem to appear after every meal. The literary world is equally obsessed with doomsday. Think The Road by Cormac ...
