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Nitrate in drinking water has been linked to an increased risk of colorectal cancer. That could have implications for some parts of New Zealand where nitrate levels are high. Michael (Mike) Joy, Senior Researcher; Institute for Governance and Policy Studies, Victoria University of Wellington Michael Baker, Professor of Public Health, University of Otago Licensed as Creative Commons – attribution, no derivatives.

We've had vegan burgers and sausage rolls, could animal-free clothing be our next obsession?

Levels of the climate-warming gas are set to rise by near-record amounts, Met Office predicts

The level of climate-warming carbon dioxide (CO2) in the atmosphere is forecast to rise by a near-record amount in 2019, according to the Met Office.

The increase is being fuelled by the continued burning of fossil fuels and the destruction of forests, and will be particularly high in 2019 due to an expected return towards El Niño-like conditions. This natural climate variation causes warm and dry conditions in the tropics, meaning the plant growth that removes CO2 from the air is restricted.

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A daily summary of our news plus bite-sized updates from around the world.

Russia is considering a bill that would establish a cap-and-trade system for major carbon emitters by 2025 and require companies to report their emissions.

California Carbon Allowance (CCA) prices rose slightly this week amid the ongoing turmoil with utility Pacific Gas & Electric (PG&E), while RGGI allowances (RGAs) also saw minor increases on thin volume as a large winter storm bore down on the northeast US.

Evidence is increasingly forcing us to re-visit our assumptions about the Neanderthals.

US will become increasingly reliant on natural gas and could become a net energy exporter by next year

The US could become a net energy exporter by next year as oil and gas production expands, according to new projections from the Energy Information Administration.

America is becoming increasingly reliant on natural gas – a fossil fuel that contributes to climate change but less so than coal. Solar power will grow rapidly too. Both will replace nuclear and coal power plants that are more expensive.

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Much of Australia is sweltering due to a high pressure system parked over the Tasman Sea – and there's no sign it's moving any time soon. Steve Turton, Adjunct Professor of Environmental Geography, CQUniversity Australia Licensed as Creative Commons – attribution, no derivatives.

European carbon prices sank for a second day on Thursday despite the most bullish auction result of the year to date, as traders said weaker energy and profit-taking weighed on EUAs.

US federal regulators cannot sign off on a California Carbon Allowance (CCA) future vintage contract because of the ongoing partial government shutdown, sources told Carbon Pulse.

The World Bank’s Nitric Acid Climate Auction Program (NACAP) has shifted forward the eligibility cut-off date for carbon credits that can be sold in its inaugural auction, effectively reducing the pool of potentially available units.

In the run-up to the Carbon Pricing for Canadian Industry conference - April 25-26 at the Hilton Toronto - Canadian Clean Energy conferences is running a series of articles on key topics for industries complying with provincial and federal carbon regulations.

Number of students skipping school in protests inspired by Greta Thunberg, 16, reaches record numbers around world

The number of students participating in school strikes for climate action is continuing to rise around the world.

Last week more than 60,000 students refused to go to their classes, the largest number yet.

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China's air pollution permit trade across almost 30 pilot schemes has hit an aggregate value of 19 billion yuan ($2.8 billion), but most of the markets face substantial challenges and a nationwide programme is not on the horizon, according to the country's finance ministry.

Researchers say it is the first time a large-scale explosive volcanic event has been confirmed in Scotland.

Can weedkiller damage male fertility and could solar panels cause cancer?

The British Antarctic Survey puts instruments 2km under the surface of the Rutford Ice Stream.

The public consultation period for assessment for ongoing export accreditation will be open from 25 January 2019 until 28 February 2019.

The public consultation period for assessment for ongoing export accreditation will be open from 25 January 2019 until 28 February 2019.