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Will the US develop a new satellite for early-warning of severe geomagnetic storms?

resultYes

Will more than 80% of the new US electricity Generation Capacity in 2016 come from solar and wind?

resultNo

Will new evidence emerge for the frequency of solar superflares?

resultNo

When will a spacecraft overtake Voyager-1 in distance from the Sun?

This question is closed for forecasting. Latest Community prediction is displayed.

Oct 2056

Will there be an X-Class solar flare before October 1, 2018?

resultNo

When (if ever) will the Arctic be essentially ice-free?

This question is closed for forecasting. Latest Community prediction is displayed.

>Jul 2040

What will the cost of energy of utility-scale solar photovoltaics be in 2020, in 2018 USD per kWh?

result0.055

What will the cost of energy of utility-scale solar photovoltaics be in 2022, in 2018 USD per kWh?

result0.042

How many geoengineering-related papers will be published in the year 2020?

result4470

What will the average growth rate be, of total renewable energy produced worldwide, over the 2020 to 2022 period (inclusive)?

Annulled