World Bank data points to rising global CO2 emissions.

CO2 emissions worldwide were “16% higher in 2003″ than in 1990, according to the World Bank’s 2007 “Little Green Data Book”. Meanwhile, the WWF issued its annual ranking of Europe’s top polluting power stations.

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Refining riddle: cleaner fuels make more CO2. Plans to tighten European fuel quality rules to cut air pollution will need a huge increase in energy-intensive equipment at refineries to clean the fuels. [News Source]

London to charge polluting trucks $400 a day. London, which has the dirtiest air of any British city, will charge owners of the most-polluting trucks 200 pounds ($400) a day starting next year to improve air quality, Mayor Ken Livingstone said. [News Source]

Urban poor part of climate change equation - top UN official. With more than half of mankind already living in cities and towns, the urban poor must be part of any solution to climate change, a top UN official said here Wednesday. [News Source]

Int’l cooperation for environmental protection and sustainable development urged. Pakistan, speaking on behalf of the "Group of 77" (developing countries) and China, has called for international cooperation in protecting the environment and promoting sustainable development. [News Source]

Dust may cause heart trouble in asthmatics. In people with asthma, a small increase in coarse particulate matter in outdoor air raised bad cholesterol and increased the count of inflammation-linked white blood cells, among other changes, according to researchers at the University of North Carolina at Chapel Hill School of Public Health. [News Source]

Estrogen may help fight disease. Estrogen may give women an edge in resisting heart disease that can be caused in part by air pollution, a new West Virginia University study found. [News Source]

Ceco jumps into black for first quarter (bizjournals.com via Yahoo! Finance) Ceco Environmental Corp. reversed a year-ago loss and nearly doubled its revenues for first-quarter 2006, thanks to growth across its subsidiaries. [News Source]

Urban poor part of climate change equation - top UN official (AFP via Yahoo! News) With more than half of mankind already living in cities and towns, the urban poor must be part of any solution to climate change, a top UN official said here Wednesday. [News Source]

C1 Energy Ltd. Announces First Quarter 2007 Results (CCNMatthews via Yahoo! Finance) CALGARY, ALBERTA-- - C1 Energy Ltd. announces its financial and operating results for the quarter ended March 31, 2007. [News Source]

Nymex Plans to Offer Carbon Trading (AP via Yahoo! Finance) The New York Mercantile Exchange plans to offer contracts for trading carbon dioxide, the main greenhouse gas blamed for global warming, and other heat-trapping emissions. [News Source]