But the most significant change in modern science is not just about the amount of noise, but how we experience it. Noise is no longer understood solely as a problem that affects hearing, it is also recognised as a systemic environmental pollutant. Transport noise is now one of the leading environmental cause of illness in Europe, second only to air pollution.
Just going to add: add browns, such as paper, torn carboard, wood chips… otherwise your pile of grass risks becoming a stinky anaerobic monstruosity.