Finally, after numerous delays amid allegations of political interference by people who don't want to see documented evidence of climate shifts, the wait is over. The new detailed interactive map is based on data from 1976-2005, and is the first official revision since the 1990 update.

The American Horticultural Society and the National Arbor Day Foundation offer generalized hardiness maps as a starting point, until the US Department of Agriculture gets around to unveiling its own update.

One day, EPA may propose rules for regulating greenhouse gas emissions from power plants and petroleum refineries. But the process continues to drag out, with the consent of the state and local governments and environmental advocacy groups that have been litigating for about five years to make the agency take action.

From the latest issue of SEJ's biweekly TipSheet: EOL, which is searchable by both common and scientific terms, has vastly expanded its content since its launch in 2008 and now provides extensive nitty-gritty on about half of all described species, as laid out in more than 950,000 pages and more than 760,000 images.

Snow cover has many implications, from ski resorts short on snow and farmers who rely on snowmelt for irrigation to firefighters and residents battling major fires in unusual locations in the middle of winter and smothering blizzards in areas at the other end of the extreme snow spectrum this year.

The analysis can be a useful starting point for targeting angles you want to investigate for toxic pollution stories. The raw data also offer numerous ways to look at occurrences and trends in many ways nationally and locally the agency hasn't addressed or emphasized in its analysis.

The assessments, expected late January 2012, could have wide-ranging direct and indirect effects in realms such as toxic site cleanups, brownfield development, manufacturing processes, domestic food production and sales, and international trade of food and possibly other goods.

Rebuilding would not only generate jobs, but also lay down a foundation for future economic growth. Those conclusions came in a December 2011 report from the American Society of Civil Engineers. It finds that a do-nothing policy will cost US businesses $147 billion over the next decade.

Your coverage of the awards, which range from $1 million to $20 million, can focus on topics such as the environmental pros and cons of each project, how urgent the projects really are, how “shovel-ready” they are, their merits in comparison to the projects they beat out, the political implications of the early funding as the presidential campaign heats up, and more.

The new Critical Materials Strategy lays out the issues for 16 key materials used in the manufacture of components for electric vehicles, electronics, wind, solar, and lighting equipment — such as current and projected supply and demand, options for reducing supply and demand problems, alternative materials and product designs to explore, and implications for various international relationships.