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Showing posts from October, 2018

The decline of Canada’s caribou

Caribou is a species of deer with the circumpolar distribution, native to Arctic, sub-Arctic, tundra, boreal and mountainous regions of northern Europe, Siberia, and North America. The North American range of caribou extends from Alaska through the Yukon, the Northwest Territories and Nunavut into the boreal forest and south through the Canadian Rockies and the Columbia and Selkirk Mountains. The map below a snapshot of the status of Canada’s caribou herds. The large spheres show the largest estimated population of each herd, while the smaller colored spheres show the current estimated population. Chris Brackley ( Canadian Geographic )

U.S. weather 2050

Winters and summers will be warmer in every U.S. city by 2050. By 2050, the weather in many cities will be similar to southern cities today. Midwestern cities like Chicago, Cleveland, and Detroit will see some of the most dramatic shifts in winter lows — from the low 20s up about 5.5°F to the high 20s. Bozeman, Montana; St. Paul, Minnesota; and Chicago will all see their average summer high shift up by nearly 6°F — a much hotter overall summer. And America’s biggest cities, with the exception of San Diego, will all see both their summer and winter temperatures shift by more than 3°F on average. How winter and summer temperatures will shift nationwide by 2050 Via

Where no man has gone before

Map of uncontacted peoples Worldwide at the Start of the 21st Century.   Eckert VI-Projektion 77% of the land (excluding Antarctica) and 87% of the ocean has been modified by the direct effects of human activities. Twenty countries contain 94% of the world's wilderness, excluding Antarctica and the high seas. Nature

Human footprint on planet Earth  An Ecological Footprint is a measure of the amount of bioproductive land and sea required to support a person’s lifestyle. It includes the land needed to grow their food, dispose of their waste and absorb their carb on emissions. The footprint counts all the impacts of personal spending as well as the business and government expenditure on their behalf.

42 Butterflies of North America

There are approximately 750 species of butterflies in the U.S. Eleanor Lutz

U.S. areas with no or low human footprint

Footprint includes: built environments, roads, railways, cropland, pasture land, navigable waterways, human population density, and night-time lights.

Change in CO2 emissions per capita (1990 - 2016)

The map below visualizes the change in per-capita Carbon dioxide emissions in every country from 1990 to 2016. Reddit user: NaytaData The countries that have seen the biggest decreases in CO2 emissions per capita are Luxembourg, Ukraine, and Bahrain. Countries like Oman and China stand out as countries that have had their carbon dioxide emissions increase drastically these past decades.

Sea level rise since 1880

Reddit user: kevpluck Global mean sea level has risen by about 7–8 inches (about 16–21 cm) since 1880, with about 3 of those inches (about 7 cm) occurring since 1993.