The history of China as told through phosphorus

(Phys.org)—Phosphorus is a necessary component of fertilizers needed for agriculture. In 2013 about 225 million tons of phosphate was extracted predominantly for fertilizer use. This rate could diminish the Earth's phosphorus ...

Producing fertilizer without carbon emissions

Researchers at ETH Zurich and the Carnegie Institution for Science have shown how nitrogen fertilizer could be produced more sustainably. This is necessary not only to protect the climate, but also to reduce dependence on ...

Pesticide found to reduce fertility in blue orchard bee

A pair of researchers at the University of California, Davis has found that the neonicotinoid pesticide imidacloprid can reduce fertility rates in the blue orchard bee. In their paper published in Proceedings of the National ...

NASA study traces decade of ammonia air pollution in Africa

A new NASA-led study is the first to document changing atmospheric ammonia (NH3) concentrations in Africa over an extended period. Ammonia is an air pollutant which can lead to heart and lung related illness. When present ...

Climate change warning from collapsed ancient cities

Why did some ancient Khmer and Mesoamerican cities collapse between 900-1500CE while their rural surrounds continued to prosper? Intentional adaptation to climate changed conditions may be the answer, suggests a new study, ...

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