Based in Brazil, Fernanda Ferreira is a science writer who covers a range of STEM (and occasionally non-STEM) topics, from textile conservation to vaccine stockpiles.

How do national governments calculate their share of greenhouse gas emissions from international air travel?

How do national governments calculate their share of greenhouse gas emissions from international air travel?

They don't—emissions from international flights are counted separately from any one country's emissions. But there are several ideas to change this.

How much is captured CO2 worth?

How much is captured CO2 worth?

How can we harness wind and improve airflow to benefit society?

How can we harness wind and improve airflow to benefit society?