Brazil begins first operations to protect Amazon

Brazil this week began the first operations against Amazon deforestation since veteran leftist Luiz Inacio Lula da Silva took office, the Ibama environmental agency said Friday.

Unprecedented levels of high-severity fire burn in Sierra Nevada

High-severity wildfire is increasing in Sierra Nevada and Southern Cascade forests and has been burning at unprecedented rates compared to the years before Euro-American settlement, according to a study from the Safford Lab ...

Economist examines US debt limit impact

It's not exactly comforting that the United States is running up against its debt limit, as officials announced this week, nor is there immediate cause for concern for the average taxpayer, says University of Michigan economist ...

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