nitrate
Coverage of nitrate in the Nexus archive.
- Groundwater quality assessment flags elevated nitrate and iron contamination in Kerala
A groundwater quality assessment in Kerala found 32 out of 699 samples with nitrate levels exceeding 45 mg/litre and 49 samples with iron concentrations above permissible limits.
- 'Worrying' pollution in Cotswolds river - volunteers
Volunteers in the Cotswolds recorded high phosphate and nitrate levels in a river, raising concerns about pollution. They have urged the Environment Agency to investigate the issue.
- Arctic Ocean passed a tipping point and scientists say it may never recover
The Arctic Ocean may have crossed a dangerous tipping point due to rapid sea ice disappearance, triggering a chemical shift that reduces nitrate levels. This decline in nitrate threatens Arctic plankton, which could disrupt the entire food web, impacting fish, seabirds, whales, and polar ecosystems.
- Beet juice lowers blood pressure in older adults in just 2 weeks
Drinking nitrate-rich beetroot juice twice daily for two weeks significantly lowers blood pressure in older adults, according to the largest study of its kind. Younger adults did not experience similar effects, suggesting age-related differences in response.