A fisherman is seen standing on a cliff edge at Cape Bank in La Perouse on February 20, 2011 in Sydney, Australia. The practice of fishing from rock platforms, cliffs and rocky outcrops is notoriously dangerous with many anglers per year being washed into the ocean by dangerous surf or unexpected large waves. Angling is often reported as the sport having the highest mortality rate on average due to fishermen drowning with rocking fishing contributing to a high number of these deaths. (Photo by Mark Kolbe/Getty Images)

Iraqi teenagers swim in waste water from the nearby Tuweitha nuclear facility near Baghdad, Iraq on May 28, 2003. Iraqis are consuming contaminated water unaware of the dangerous pollutants that can cause severe ill health. (Photo by Damir Sagolj/Reuters)

Clouds in Drakensberg Escarpment in the lowveld, also known as Mariepskop, South Africa in July 2019. Snapped by professional Photographer, Em Gatland, 37, from Greater Kruger, South Africa, the unique shot could easily be mistaken for a dangerous wave rather than clouds passing through a sunset. (Photo by Em Gatland/Caters News Agency)

A drone photo shows that people enjoy at the Lake Urmia, one of the biggest saltwater lakes in the world located in the northwest of Iran, as recovering works continue due to drought affecting the whole country and putting the lake in danger of drying up again in Urmia, Iran on July 06, 2021. (Photo by Fatemeh Bahrami/Anadolu Agency via Getty Images)

Tourists kissing front of Malaysia's landmark Petronas Twin Towers with lights on before turned off to mark Earth Hour 2016 in Kuala Lumpur, Malaysia, 19 March 2016. Earth Hour takes place worldwide at 8.30 p.m. local time and is a global call to turn off lights for 60 minutes to raise awareness of the danger of global climatic change (Photo by Fazry Ismail/EPA)