As Rio de Janeiro kicks off its Carnival, about 100 dogs are barking and wagging their tails to the tune of samba music as they parade in front of pet lovers in a canine costume competition.

As Rio de Janeiro kicks off its Carnival, about 100 dogs are barking and wagging their tails to the tune of samba music as they parade in front of pet lovers in a canine costume competition.

Carnival in Brazil generates a total of 3,500 tons of waste in the main cities, including Rio, according to the Retornar Foundation, which calls for the reduction of plastic and the “reuse of costumes ...

Although Rio’s samba schools recover and recycle, resell or donate some of their costumes, many end up in the trash, part of around 1,000 tons of carnival garbage each year.

There's a reason people consider Brazil's Rio de Janeiro carnival the "greatest show on earth." It's five days of nonstop celebrations, music, and dancing and some of the most beautiful costumes ...

A dog wearing a Captain America costume, walks on a leash at the “Blocao” dog carnival parade in Rio de Janeiro, Brazil, Saturday, Feb. 18, 2023. (AP Photo/Silvia Izquierdo) ...

A dog sports a bumble bee costume during the annual Blocao in Rio de Janeiro. A dog wearing a Captain America costume, walks on a leash at the “Blocao” dog carnival parade in Rio de Janeiro ...

A dog wearing a Captain America costume, walks on a leash at the “Blocao” dog carnival parade in Rio de Janeiro, Brazil, Saturday, Feb. 18, 2023. (AP Photo/Silvia Izquierdo) ...