Predicting peak cropland

Can we control our destiny? by Liza Lester, ESA communications officer Population by Total Fertility (millions). The United Nations predicts 10.1 billion living humans will inhabit the Earth by 2100. Source: United Nations, Department of Economic and Social Affairs, Population Division (2011): World Population Prospects: The 2010 Revision. New York. Joe Fargione, lead scientist for The Nature Conservancy’s North American Region, wants...

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Vegetables under plastic

Weighing the costs and benefits of plastic vegetable greenhouses over conventional vegetable production. By Liza Lester, ESA communications officer The USDA Natural Resources Conservation Service offers “seasonal high tunnel” kits as part of a three year trial to assess the potential of the plastic houses for conserving water and soil, reducing pesticide use, and improving yields for small farmers. Credit, NRCS. THE economic benefits,...

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Landsat Data Continuity Mission launches
Feb19

Landsat Data Continuity Mission launches

Great day for a launch: all indications positive for Landsat 8. By Liza Lester, ESA communications officer.   AT 10:02am local time on Monday, February 11, 2013, the Landsat Data Continuity Mission (LDCM) launched from Vandenberg Air Force Base, California, into a clear blue sky atop an  Atlas V rocket. The latest USGS earth observatory satellite is a $855 million investment in the future of a 40-year continuous land imaging...

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Depression-era drainage ditches emerge as sleeping threat to Cape Cod salt marshes
Jan24

Depression-era drainage ditches emerge as sleeping threat to Cape Cod salt marshes

Contemporary recreational fishing combines with old WPA project to hasten marsh die-off By Liza Lester, ESA communications officer   CAPE Cod, Massachusetts has a problem. The iconic salt marshes of the famous summer retreat are melting away at the edges, dying back from the most popular recreational areas. The erosion is a consequence of an unexpected synergy between recreational over-fishing and Great Depression-era ditches...

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Baltimore’s Watershed 263 experiment in socioecology
Jan16

Baltimore’s Watershed 263 experiment in socioecology

Ecological restoration makes city dwellers happier and healthier. by Liza Lester, ESA communications officer IN the first summer after my move from the cool green climes of western Washington State to Washington, DC, I gained a primal, physical understanding the urban heat island effect. Summer in the District of Columbia is a hot, humid shock for a native northwesterner, and last summer was record-breaking hot. Cycling away on humid...

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