“We have the sun shining and blue skies, when rowing what more can you ask for,” said Jack Pankratz, Ottawa, Canada, I’m ...

This International Day of Clean Air for blue skies, we call upon everyone—from governments and corporations to civil society and individuals—to Invest in #CleanAirNow. By tackling air ...

The dust has caused shorter wavelength blue light to be scattered ... to share their theories and snaps of the unusual red sun and yellow skies. Using the hashtags #redsun and #ophelia, pictures ...