The debate over air pollution and, more specifically, the regulation of air pollution, raged on this week as the Environmental Protection Agency (EPA) watered down its cross-state pollution rule and House Republicans moved to delay new rules on toxic air pollution from cement plants, solid waste incinerators, and industrial boilers.

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But his proposals to import more mainland high-tech talent and coordinate with Guangdong province on combating cross-border pollution and developing the Pearl River delta are important first steps.

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In 2008 the EPA issued the cross-state air pollution rule to revise a 2005 regulation that had also been challenged in court.

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At issue now is the Cross-State Air Pollution Rule that attempts to limit the levels of harmful emissions as they traverse across state lines.

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