280 Shale gas development has limited effects on stream biology and geochemistry in a gradient-based, multiparameter study in Pennsylvania.
https://www.pnas.org/content/117/7/3670
279 Remarkable nucleation and growth of ultrafine particles from vehicular exhaust.
https://www.pnas.org/content/117/7/3427
278 Increasing aridity promotes sequential, systemic, and abrupt thresholds in drylands worldwide.
https://science.sciencemag.org/content/367/6479/787
277 Tropical snake diversity collapses after widespread amphibian loss.
https://science.sciencemag.org/content/367/6479/814
276 Invisible oil beyond the Deepwater Horizon satellite footprint.
https://advances.sciencemag.org/content/6/7/eaaw8863
275 Ocean sentinel albatrosses locate illegal vessels and provide the first estimate of the extent of nondeclared fishing.
https://www.pnas.org/content/117/6/3006
274 Declines in an abundant aquatic insect, the burrowing mayfly, across major North American waterways.
https://www.pnas.org/content/117/6/2987
273 Abundance of Floating Plastic Particles Is Increasing in the Western North Atlantic Ocean.
https://pubs.acs.org/doi/10.1021/acs.est.9b04812
272 Sustained wood burial in the Bengal Fan over the last 19 My.
https://www.pnas.org/content/116/45/22518
271 Persistent, bioaccumulative, and toxic properties of liquid crystal monomers and their detection in indoor residential dust.
https://www.pnas.org/content/116/52/26450
270 Historic DNA reveals Anthropocene threat to a tropical urban fruit bat.
https://www.cell.com/current-biology/fulltext/S0960-9822(19)31452-6
269 The drivers of ocean plankton diversity across archaea, bacteria, eukaryotes, and major virus clades are inferred from both molecular and imaging data acquired by the Tara Oceans project and used to predict the effects of severe warming of the surface ocean on this critical ecosystem by the end of the 21st century.
https://www.cell.com/cell/fulltext/S0092-8674(19)31124-9
268 Role of climate in the rise and fall of the Neo-Assyrian Empire.
https://advances.sciencemag.org/content/5/11/eaax6656
267 Multiple health and environmental impacts of foods.
https://www.pnas.org/content/116/46/23357
266 Rapid increase in Asian bottles in the South Atlantic Ocean indicates major debris inputs from ships.
https://www.pnas.org/content/116/42/20892
265 Wildfire prevention through prophylactic treatment of high-risk landscapes using viscoelastic retardant fluids.
https://www.pnas.org/content/116/42/20820
264 Projections to 2050 show up to 5 billion people at risk of water pollution, coastal storms, and deficient crop pollination.
https://science.sciencemag.org/content/366/6462/255
263 The cumulative loss of nearly 3 billion birds since 1970 across North American biomes signals a continuing avifaunal crisis.
https://science.sciencemag.org/content/366/6461/120
262 Landscape connectivity increases plant species richness over decades by promoting colonizations and preventing extinctions.
https://science.sciencemag.org/content/365/6460/1478
261 Decline of the North American avifauna.
https://science.sciencemag.org/content/early/2019/09/18/science.aaw1313
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