Moussa Kamara is part of a project that aims to create hundreds of circular gardens - known as 'Tolou Keur' in Senegal's Wolof language - that organisers hope will boost food security, reduce regional desertification and engage thousands of community workers.
Indonesia is home to over a fifth of the world's mangrove forests, which naturally help keep out high tidal waters. But for years, coastal communities have chopped down trees to clear the way for fish and shrimp farms, and for rice paddies.
Continuing large-scale deforestation in Brazil's Amazon region suggests a new government aim to become "carbon neutral" by 2060 lacks credibility, Brazilian scientists have said.
