Young people who use screens before sleeping have more sleep problems Young people (13-18 years) who use light-emitting screens daily in the hour before going to sleep have more sleep problems.
Chikungunya infections in the Caribbean region Since August 2014, there has been an increase in the number of Chikungunya patients in the Caribbean region. Travellers who visit the region can become infected there.
Preserving ozone treaty benefits to climate change The Montreal Protocol has not only served to protect the ozone layer, it also has provided a certain degree of climate protection.