Aviation's present day contribution to human induced global warming is 4% and will increase over the next 30 years Our #calendar* is more than 2000yrs old. Quite old for a calendar, so I decided it's time to redesign it. What would your reinvented calendar look like? I start: *okay the PDF) Forecasting feels like temperatures as a strategy to reduce heat illnesses during sport events Neural general circulation models for weather and climate Nature