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Because of its sensitive location near the Prime Minister’s office, this river improvement and public greenspace project in the Ethiopian capital had to forgo typical stone blasting in favor of specialized large-scale earth blasting and excavation to remove 210,000 cu m of stone to develop key areas of the park.
EPA proposal is set to regulate existing oil and natural gas sector sources as well as new and modified ones; also, new DOT final rules now cover 400K miles of unregulated gas 'gathering' lines, and Interior Dept. is set to extend scrutiny of flaring.
In an effort to combat heat gain in urban areas and mitigate the effects of climate change, researchers in Arizona are evaluating reflective coatings for roadways.