New research finds areas in the Arctic with dwarf birch are experiencing longer periods with no snow, resulting in deeper thawing of the ground, and that may lead to faster thawing of the permafrost. While their impact varies, a paper recently published in the journal Arctic Science found areas with birch shrubs had longerRead More →

There has been a dramatic decline of birds across North America since 1970. More than a quarter of all birds across the continent have died off, according to a study published recently in Science magazine.  The largest loss is 2.5 million migratory birds, the vast majority of which are songbirds.  Many ofRead More →