Not cutting down trees is one of the least expensive ways of capturing carbon.
People searched for the man and woman for over two months.
Rio de Janeiro has an average of 15 gun battles every day.
Paris mayor Anne Hidalgo rows a boat along the Seine river
China remains suspicious of the Malabar exercises.
Samba school members wave a giant flag.
North Korean leader Kim Jong Un.
Saturday marks the 20th anniversary of Britain handing over Hong Kong to China.
All 17 reporters have been detained for months.
Russia has shown an interest in targeting infrastructure.