http://www.planetdiary.com/rss/dsp_rss.cfm/top/yes Listing of the fifteen newest Planet Diary articles. en-us Copyright 2006 by Pearson Education, Inc. publishing as Pearson Prentice Hall. All rights reserved. Fri, 17 May 2013 06:20:13 UT Mon, 20 May 2013 12:00:00 UT For the first time in human history, average levels of heat-trapping carbon dioxide gas topped out over 400 parts per million (ppm) earlier this month. Global, Atmosphere http://planetdiary.com/archive13/atmo1052013.html http://planetdiary.com/archive13/atmo1052013.html Mon, 20 May 2013 12:00:00 UT Australia's Great Barrier Reef is facing big trouble these days. Considered the world's largest living structure, the huge reef is threatened by coral bleaching from climate change, runoff from farms and cities, over-fishing, and overpopulation of crown-of-thorns starfish. Australia, Biosphere http://planetdiary.com/archive13/bios2052013.html http://planetdiary.com/archive13/bios2052013.html Mon, 20 May 2013 12:00:00 UT Fire officials are bracing for another tough fire season in the West. North America, Geosphere http://planetdiary.com/archive13/geos1052013.html http://planetdiary.com/archive13/geos1052013.html Mon, 20 May 2013 12:00:00 UT What's that buzz? East Coast cicadas are back after 17 years! From Georgia to Connecticut, billions of the insects are emerging from the soil. North America, Biosphere http://planetdiary.com/archive13/bios1052013.html http://planetdiary.com/archive13/bios1052013.html Mon, 13 May 2013 12:00:00 UT Guatemala's Fuego volcano is showing no sign of cooling down any time soon. The volcano blasted thick clouds of ash while hot, glowing volcanic rocks shot from its crater. North America, Geosphere http://planetdiary.com/archive13/geos2051313.html http://planetdiary.com/archive13/geos2051313.html Mon, 13 May 2013 12:00:00 UT Cleveland volcano in Alaska's Aleutian Islands kept up its high activity level with another explosion. North America, Geosphere http://planetdiary.com/archive13/geos3051313.html http://planetdiary.com/archive13/geos3051313.html Mon, 13 May 2013 12:00:00 UT A sudden ash eruption of Mayon volcano in the Philippines killed six people. Asia, Geosphere http://planetdiary.com/archive13/geos4051313.html http://planetdiary.com/archive13/geos4051313.html Mon, 13 May 2013 12:00:00 UT Ecuador's Tungurahua is getting feisty again, with a sudden rise in earthquakes. South America, Geosphere http://planetdiary.com/archive13/geos1051313.html http://planetdiary.com/archive13/geos1051313.html Mon, 6 May 2013 12:00:00 UT The eruption of Japan's Sakurajima volcano continues. The volcano blasted out thick plumes of ash that rose about 1.5-miles (2.4-kilometers) into the atmosphere. Asia, Geosphere http://planetdiary.com/archive13/geos2050613.html http://planetdiary.com/archive13/geos2050613.html Mon, 6 May 2013 12:00:00 UT Two years after the huge meltdown, radioactive wastewater tanks at Japan's crippled Fukushima nuclear plant are filling up as groundwater keeps seeping in. Asia, Hydrosphere http://planetdiary.com/archive13/hydr1050613.html http://planetdiary.com/archive13/hydr1050613.html Mon, 6 May 2013 12:00:00 UT Indonesia's Paluweh volcano keeps on erupting. It exploded again with thick clouds of ash that rose high into the sky Asia, Geosphere http://planetdiary.com/archive13/geos1050613.html http://planetdiary.com/archive13/geos1050613.html Mon, 6 May 2013 12:00:00 UT Recent rains brought some relief to parched New Zealand. The country recently suffered through its worst drought in several decades. Australia, Hydrosphere http://planetdiary.com/archive13/hydr2050613.html http://planetdiary.com/archive13/hydr2050613.html Mon, 29 Apr 2013 12:00:00 UT A breeding population of non-native boas was found recently in Puerto Rico. The snakes are expanding their range quickly from the western side of the island near the city of Mayaguez. North America, Biosphere http://planetdiary.com/archive13/bios1042913.html http://planetdiary.com/archive13/bios1042913.html Mon, 29 Apr 2013 12:00:00 UT After a week of heavy rains, swollen rivers and streams rose to dangerous levels across the Midwest. North America, Hydrosphere http://planetdiary.com/archive13/hydr1042913.html http://planetdiary.com/archive13/hydr1042913.html Mon, 29 Apr 2013 12:00:00 UT Astronomers say they Kepler spacecraft discovered two new Goldilocks exoplanets. The two planets are found within their solar system's habitable zone. Space, Space http://planetdiary.com/archive13/spac1042913.html http://planetdiary.com/archive13/spac1042913.html