A fire is seen on a tract of Amazon jungle at Tenharim Marmelos Indigenous Land, Amazonas state, Brazil, September 15, 2019. The fight against wildfires in Brazil's Amazonas region rages on as fire-fighters work day and night to combat blazes. REUTERS/Bruno Kelly

A Brazilian Institute for the Environment and Renewable Natural Resources (IBAMA) fire brigade member attempts to control hot points during a fire at Tenharim Marmelos Indigenous Land, Amazonas state, Brazil, September 15, 2019. Even in the early hours before daylight Monday (September 16) fires raged and fire-fighters went about the exhausting work to halt the spread of the flames. REUTERS/Bruno Kelly

A Brazilian Institute for the Environment and Renewable Natural Resources (IBAMA) fire brigade member attempts to control hot points during a fire at Tenharim Marmelos Indigenous Land, Amazonas state, Brazil, September 15, 2019. Some of those wildfires currently ravaging the Amazon have been set on purpose to clear land for agricultural use, according to local officials. REUTERS/Bruno Kelly

Brazilian Institute for the Environment and Renewable Natural Resources (IBAMA) fire brigade members attempt to control hot points during a fire at Tenharim Marmelos Indigenous Land, Amazonas state, Brazil, September 15, 2019. The number of blazes in Brazil has skyrocketed 80% in the year to date compared to the same period in 2018, according to data from space research agency INPE. REUTERS/Bruno Kelly

A fire is seen on a tract of Amazon jungle at Tenharim Marmelos Indigenous Land, Amazonas state, Brazil, September 15, 2019. REUTERS/Bruno Kelly

A fire is seen on a tract of Amazon jungle at Tenharim Marmelos Indigenous Land, Amazonas state, Brazil, September 15, 2019. REUTERS/Bruno Kelly