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Nature · Guess the stat

How well do you know the environment?

Guess the real numbers behind the environment, see how everyone else guessed, and get the source.

Guess the statOne tap · see how everyone guessed

In 2018, what share of U.S. municipal solid waste was recycled or composted?

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Today's round

  • 4 stats to guess
  • 1 opinion poll
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Guess, see the crowd, get the real number. One ranked attempt per day.

Eco by the numbers

Real figures with their sources. All Eco facts →

about 4.9 tonnes per person

Average per-person carbon emissions worldwide are about how many tonnes a year, versus a Paris Agreement target of about 2.3 tonnes?

The average person's carbon footprint is currently more than double what's considered compatible with Paris Agreement goals.

Source: Wikipedia, Greenhouse gas emissions (2023) en.wikipedia.org

about 31%

About what share of Earth's land surface is currently covered by forest?

Forest cover has shrunk by roughly a third since before large-scale agriculture began, but still covers nearly a third of all land.

Source: Wikipedia, Deforestation (2024) en.wikipedia.org

about 10 million hectares a year

Between 2015 and 2020, the world lost forest at a rate of about how many hectares a year?

Even though the pace of forest loss has slowed since the 1990s, tens of millions of hectares still disappear every year.

Source: Wikipedia, Deforestation (2020) en.wikipedia.org

What people think about the environment and ecology

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What's the easiest eco-friendly habit to adopt?

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Which environmental issue concerns you most?

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Questions

How does EcoSurvey.net work?

Each question asks you to guess a real number about the environment and ecology. After you answer you see how everyone else guessed, then the real figure and where it comes from.

How is the daily round scored?

Four stats and one opinion poll. A correct guess earns 100 points plus up to 50 for speed, with a combo bonus for answers in a row. The range next to the right answer earns 40. Opinion polls earn 25 for having your say, and nailing every stat adds 150.

Where do the numbers come from?

Every stat links to its source, such as government statistics agencies, research organizations and industry groups. Figures are checked against the source before they go live.

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