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Reproduced from "Global Trends in Renewable Energy Investment 2018", UNEP and Bloomberg New Energy Finance; Chart: Axios Visuals

A new report, published by United Nations Environment Programme (UNEP) and partners, underscores how additions of new renewable power capacity — especially solar — greatly outpaced other sources in 2017. Additions of solar generating capacity alone, led by China which accounted for more than half the increase, outstripped net new fossil fuel capacity, according to the report.

The bottom line: The report underscores both the progress toward a lower-carbon global power mix and the immense challenge of corralling carbon emissions, which grew last year after a 3-year plateau. Nils Stieglitz, president of Frankfurt School of Finance & Management, wrote in an accompanying statement: “This shows where we are heading, although the fact that renewables altogether are still far from providing the majority of electricity means that we still have a long way to go."

By the numbers:

  • 157 gigawatts of renewable power capacity were added worldwide last year, with solar accounting for 98 of them.
  • That outpaces the 70 gigawatts of fossil fuel generation capacity added.
  • Renewables are growing fast but from a small base (see chart above). Non-hydro renewables accounted for 61% of new capacity additions last year, but renewables were 12% of global generation.
  • Global investment in renewables rose 2% in 2017 to $279.8 billion.
  • China alone accounted for 45% of that investment and added 53 gigawatts of solar capacity.

Go deeper

Appeals court upholds six-day extension for counting Wisconsin ballots

Photo: Derek R. Henkle/AFP via Getty Images

A federal appeals court on Tuesday upheld a lower court ruling that extended the deadline for counting mail-in ballots in Wisconsin until Nov. 9 as long as they are postmarked by the Nov. 3 election, AP reports.

Why it matters: It's a big win for Democrats that also means that the winner of Wisconsin, a key presidential swing state, may not be known for six days after the election. Republicans are likely to appeal the ruling to the Supreme Court, as the Pennsylvania GOP did after a similar ruling on Monday.

Go deeper: How the Supreme Court could decide the election

Updated 24 mins ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Global: Total confirmed cases as of 7 p.m. ET: 33,489,205 — Total deaths: 1,004,278 — Total recoveries: 23,243,613Map.
  2. U.S.: Total confirmed cases as of 7 p.m ET: 7,183,367 — Total deaths: 205,883 — Total recoveries: 2,794,608 — Total tests: 102,342,416Map.
  3. Health: Americans won't take Trump's word on the vaccine, Axios-Ipsos poll finds.
  4. States: NYC's coronavirus positivity rate spikes to highest since June.
  5. Sports: Tennessee Titans close facility amid NFL's first coronavirus outbreak.
  6. World: U.K. beats previous record for new coronavirus cases.
  7. Work: United States of burnout — Asian American unemployment spikes amid pandemic

What to watch in tonight's debate

Joe Biden (left) and President Trump (right) are facing off in Cleveland for the first presidential debate. Photos: Alex Wong (of Biden) and David Hume Kennerly (of Trump)/Getty Images

President Trump will try to break Joe Biden's composure by going after his son Hunter and other family members in tonight's first presidential debate — a campaign source tells Axios "nothing will be off the table" — while Biden plans to stick to the economy, coronavirus and new revelations about how Trump avoided paying taxes.

Driving the news: Biden and Trump are set to debate at 9pm ET at Case Western Reserve University in Cleveland, and it will be moderated by Fox News' Chris Wallace.