On 9 December 1921 at a General Motors laboratory in Dayton, Ohio, chemists poured a teaspoonful of a compound called tetraethyl lead into a spasming motor.
They were hoping to stop what’s known as ‘knock’ - the wild and potentially engine-destroying vibrations that come from burning low-grade petrol.
Preventing the spread of COVID-19 in a recovering tourism sector does not mean a return to single-use plastic products.
Global Tourism Plastics Initiative releases key recommendations for the tourism sector to continue fighting plastic pollution, while maintaining public health and hygiene in the face of the pandemic.
Tourism companies such as Accor, Club Med, Iberostar Group and major tourism business associations annou