Soot-free Europe

Why little things matter? Minuscule particles in the air, called soot, cause more than 300,000 deaths a year in Europe alone. If we don't reduce soot emissions now, the Artic will be under water in 40 years.

Reducing railway noise

This video shows a train pulling wagons fitted with two types of brake block. Note the very significant difference in noise levels between the first four (red) wagons with standard GG blocks and the later wagons with low-noise K blocks.