A Texas oil executive from Elon Musk’s government efficiency team has been given sweeping powers to overhaul the federal department that manages vast tracts of resource-rich public lands, but he hasn't divested his energy investments or filed an ethics commitment to break ties with companies that pose a conflict of interest, records show.

Many top athletes say crashes are becoming more common as climate change reduces the availability of natural snow, forcing racers to compete on tracks with the manmade version.

The winter grassland fire that blew up along Colorado’s Front Range was rare, experts say, but similar events will be more common in the coming years as climate change warms the planet — sucking the moisture out of plants — suburbs grow in fire-prone areas and people continue to spark destructive blazes.