Answers to Earth Science Questions

I've read that painting rooftops white can help to cool cities. So does ploughing away the snow warm the earth up...

Have the seasons ever shifted? Assuming we could follow our own calendar back millions of years, would northern...

When does it make sense to hang washing out on the line? Will it still dry even in low temperatures?

How do countries measure their Carbon Dioxoide output? Could we be over/underestimating a nation's emissions?

Why do we get red sky? Does it really serve as a warning for the following day's weather?