China to invest $175 bln in environment clean-up (Reuters via Yahoo! News) China plans to invest 1.4 trillion yuan ($175 billion) in environmental protection in the next five years, state media said on Tuesday, to curb water and air pollution so severe it causes riots and health problems. [News Source]

Muscatine company ordered to pay air pollution penalty (WHO-TV Des Moines) MUSCATINE, Iowa A Muscatine County district court judge has ordered a 538-thousand-dollar civil penalty for air pollution control violations by an eastern Iowa grain processor. [News Source]

The air is still hot and unhealthy. Bay Area residents who have respiratory problems should take extra precautions to protect their health Tuesday, as air pollution levels are expected to continue to exceed federal and state health standards. [News Source]

New air rule for dairies targeted. Activists have sued over a landmark air-quality rule aimed mostly at dairies, arguing the rule calls for "phantom" pollution reductions while ignoring plumes of methane and ammonia. [News Source]

Deathly hot and smoggy. Today threatens to be the fifth straight day of 100-degree-plus temperatures for northern Utah. [News Source]

Tri-State lost in ozone. The forecast is for high heat and humidity to stick around all week in Indiana, and with it the possibility of elevated pollution levels, too. [News Source]

The heat is on, and there’s more on the way. The summer's first sizzling heat wave wrapped its sweaty grip around Kentuckiana yesterday as people flocked to shelters, pools and any bit of shade they could find to keep cool. [News Source]

Weather keeping ozone under control. The Southeast Michigan Council of Government regional planning agency does not expect to declare any Ozone Action! Days. [News Source]

Air quality in Michigan: A summer without ozone? On Monday -- the fourth straight day of 90-degree-plus temperatures in metro Detroit, the air might have felt thick and hot, but at least it wasn't full of ozone. [News Source]

USC energy plant worries neighbors. University of South Carolina will build a $17 million energy plant that relies on wood chips to produce heat for campus buildings, but neighbors worry the plant will pollute the air they breathe. [News Source]

Air quality alert issued for Triad. Air quality officials issued a health notice for air pollution in the Charlotte and Triad metropolitan areas Tuesday. [News Source]