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46 votes

Is "Earth Overshoot Day" a useful or reliable metric of humanity's effect on the world?

Yes, the 'ecological footprint' can be useful in suggesting areas where humanity has unsustainable practices which need to be improved. However, the footprint is usually presented in a very ...
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28 votes

In California, is water from the north diverted into the Pacific Ocean?

Not an authoritative source , just a blogger, but a decent attempt to explain some of the cali water issues that's reasonably well sourced itself. California receives a total of 80 million acre-...
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19 votes
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Is the Great Barrier Reef dead after 25,000,000 years of being alive?

No, the Great Barrier Reef is not dead. According to Exploring the hidden shallows: extensive reef development and resilience within the turbid nearshore Great Barrier Reef (2016): Mean coral ...
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15 votes
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Do Kaziranga National Park workers shoot and kill poachers?

As far as we can tell, yes. Rangers in Kaziranga park have killed 72 suspected poachers between 2007 and February 10th, 2017 Here is a report from the BBC from February 10th regarding the park and ...
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9 votes
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Are 100 million sharks culled per year for safety reasons?

The Australian Marine Conservation Society's web site is http://www.marineconservation.org.au/ . Doing a search for shark cull million on their web site gets as the first hit Government on shark watch ...
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7 votes

Are polar bears doing well despite a reduction in sea ice?

We don't really know. Despite the claims of a population boom, there is no definitive evidence to know how many polar bears there were "to begin with." One can't scientifically determine an end ...
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7 votes
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Is climate change causing jellyfish to wash up on the beach?

In several articles I've found about it, climate change is only but one factor among several other which have contributed to the boom of jellyfish population. The increase of the jellyfish population, ...
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  • 324
6 votes

Do Americans use 500 million straws per day?

We have this from 2010: https://www.manufacturing.net/news/2010/12/va-plant-produces-4b-drinking-straws-annually (Facts as of print time for the article.) There's a plant in VA that produces ...
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  • 3,655
6 votes
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Are there more tigers in private ownership in the US than there are in the wild?

A decade ago, there were more captive tigers in China alone than wild tigers in the entire world. The same was true with the USA. The 2016, the population estimate of wild tigers was 3890 (an ...
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  • 132k
5 votes

Are species becoming extinct at a rate of 0.01%-0.1% per annum?

776 species have gone extinct since year 1500 according to the most comprehensive global survey of threatened species, The IUCN Red List of Threatened Species. The number of species that go extinct ...
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5 votes

Is it almost impossible to find animals that are not contaminated by chemicals?

Wikipedia says, Silent Spring was met with fierce opposition by chemical companies, but it spurred a reversal in national pesticide policy, led to a nationwide ban on DDT for agricultural uses,[2] ...
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4 votes
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Have 'upland farmers' struggled to protect livestock from foxes since the fox hunting ban in the UK

Short version I cannot find any published research that specifically considers using 2 dogs vs. more than 2 dogs to hunt foxes. However, there is a substantial literature on the effect of fox hunting ...
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4 votes

Is it almost impossible to find animals that are not contaminated by chemicals?

You are presenting two claims in your question, please split it up appropriately. I will hereby address your second claim. Research from 1986 to 1997 indeed confirms that some pesticides and ...
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  • 3,994
2 votes

Do Americans use 500 million straws per day?

According to The Green Book (2007): Each year, Americans throw away 138 billion straws and stirrers So, if coffee stirrers are included, that is 378 million per day. A 29 May 1924 Pulp and ...
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