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Earth & Space

showing 21-25 of 77 breaks

Recent Rapid Changes in Antarctic Sea Ice Coverage

Sea ice spreads over vast areas of both the north and south polar regions, especially in the respective winters, and is a significant component of the polar climate system. Sea ice reflects far more of the sun's radiation that reaches it than liquid water does.... click to read more

  • Claire Parkinson | Climate Change Senior Scientist at NASA Goddard Space Flight Center, Cryospheric Sciences Laboratory, USA
Views 1513
Reading time 4 min
published on Jan 8, 2020
More boats and less fish in the oceans

A large portion of the world's population depends on marine fishing to maintain their way of life, whether from a diet, cultural, or employment perspective. We cannot separate the action of fishing from one of its most basic technical elements: the fishing boat. At a... click to read more

  • Yannick Rousseau | PhD student at Centre for Marine Socioecology, Institute for Marine and Antarctic Science/CSIRO, Hobart, TAS (Australia)
Views 1551
Reading time 2 min
published on Dec 20, 2019
The busy life of urban bees: a conservation opportunity

Insects such as bees and hoverflies are important pollinators of many wildflowers and crop species. The global value of the services provided by pollinators for crop production is estimated at between US$235 billion and US$577 billion per year. There has been a lot of publicity... click to read more

  • Katherine Baldock | Senior Lecturer at Department of Geography and Environmental Sciences, Northumbria University, Newcastle upon Tyne, UK
Views 1615
Reading time 3.5 min
published on Dec 17, 2019
Gone but not forgotten – plant extinction in modern times

What do you think of when you hear the word 'extinction'? Chances are you think of dinosaurs or dodos. You'd be hard-pressed to find someone who thinks of plants. This contrast reflects that, until recently, we lacked a global overview of ongoing plant extinction. Extinction occurs... click to read more

  • A.M. Humphreys | Assistant Professor at Stockholm University, Stockholm, Sweden
  • R. Govaerts | Senior Content Editor at Royal Botanic Gardens, Kew, Richmond, Surrey, UK
  • E. Nic Lughadha | Senior Research Leader at Royal Botanic Gardens, Kew, Richmond, Surrey, UK
  • M.S. Vorontsova | Research Leader at Royal Botanic Gardens, Kew, Richmond, Surrey, UK
Views 2176
Reading time 4 min
published on Nov 29, 2019
Regime Change at Jakobshavn

Jakobshavn Isbrae is a glacier of superlatives. Located in central west Greenland, it is the ice sheet's (possibly the world's) fastest flowing glacier. Furthermore, it is the largest by ice volume discharge, and, for two decades, the most significant contributor to sea-level rise. Lately, Jakobshavn... click to read more

  • Ala Khazendar | Research Scientist at Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
Views 1182
Reading time 3.5 min
published on Nov 1, 2019