The wildfire near Boulder, Colo., is still burning, with some 135 homes destroyed, making it the worst in Colorado history. Four people are missing. Meanwhile, as the reverse-911 phone system meant to notify people of evacuation failed to work properly, social media like Twitter emerged as the connection-of-choice in the tech-savvy community.

Thousands of people have been ordered to evacuate as a wildfire near Boulder, Colorado, rages on.

"SMELTERVILLE, Idaho -- They call themselves 'the leaded.' They grew up in the shadow of a giant lead smelter here, and were contaminated with some of the biggest lead releases in the nation's history."

"A federal judge on Thursday reinstated protections for wolves in Montana and Idaho, saying the government made a political decision in removing the protections from just two of the states where Northern Rocky Mountain wolves roam."

"The front-runner for the Republican nomination in the Colorado governor’s race is causing a stir with claims that his likely Democratic opponent, Mayor John Hickenlooper of Denver, is bringing the city under United Nations control by promoting bike riding and other sustainability measures."

"Each year, around a half a million people go whitewater rafting in Colorado, and the industry is a key economic driver in many rural towns. But in recent months, the issue of rafting and who can float through stretches of private property has divided the state."

"Oil and gas companies have reported almost 1,000 spills to Colorado regulators over the past 2-1/2 years, totaling 5.2 million gallons of drilling liquids and oil."