Australia's ongoing bushfire crisis has killed over a billion animals, according to scientists.

In light of the alarming death toll, a number of organizations, charities, celebrities, and ordinary individuals around the world are doing what they can to help.

This heart-wrenching footage shows a kind-hearted grandma rescuing a severely injured koala who was unable to escape the raging fires:

Recently, in fact, a school hall in Adelaide was transformed into a makeshift rescue center for koalas caught in the bushfires. According to MailOnline, Volunteers have been working tirelessly caring for more than 100 koalas at the school.

Over 150 volunteers, which includes around 80 trained veterinary staff, have put up a number of tents in which to treat the animals. An intensive care unit, burns unit, chlamydia section, baby section, indoor and outdoor trees for the animals to climb have also been set up.

Furthermore, two teenage boys have taken it upon themselves to travel around the worst-hit areas of the country allowing koalas into their car in order to protect them from the fires.

Micah, 19 and his Caleb, 18 posted a short clip on YouTube, filmed on Kangaroo Island, showing the inside of a car with several koalas perching on various parts of the car.

The pair believe they have rescued around 20 koalas. "Rescuing Koalas affected by fires on Kangaroo Island with my cousin," they shared in the description of the YouTube post. "Little fellas looking a little exhausted. Shoved the mother in the boot because she was a bit aggressive."

The video was also shared on Reddit with the caption: "Amid the terrible bushfires in Australia, my cousins went out and saved as many koalas as they could. Good on 'em."

The teens plan to take care of the animals until it is safe to return them to the wild.

Australia's ongoing bushfire crisis has killed over a billion animals, according to scientists.

In light of the alarming death toll, a number of organizations, charities, celebrities, and ordinary individuals around the world are doing what they can to help.

This heart-wrenching footage shows a kind-hearted grandma rescuing a severely injured koala who was unable to escape the raging fires:

Recently, in fact, a school hall in Adelaide was transformed into a makeshift rescue center for koalas caught in the bushfires. According to MailOnline, Volunteers have been working tirelessly caring for more than 100 koalas at the school.

Over 150 volunteers, which includes around 80 trained veterinary staff, have put up a number of tents in which to treat the animals. An intensive care unit, burns unit, chlamydia section, baby section, indoor and outdoor trees for the animals to climb have also been set up.

Furthermore, two teenage boys have taken it upon themselves to travel around the worst-hit areas of the country allowing koalas into their car in order to protect them from the fires.

Micah, 19 and his Caleb, 18 posted a short clip on YouTube, filmed on Kangaroo Island, showing the inside of a car with several koalas perching on various parts of the car.

The pair believe they have rescued around 20 koalas. "Rescuing Koalas affected by fires on Kangaroo Island with my cousin," they shared in the description of the YouTube post. "Little fellas looking a little exhausted. Shoved the mother in the boot because she was a bit aggressive."

The video was also shared on Reddit with the caption: "Amid the terrible bushfires in Australia, my cousins went out and saved as many koalas as they could. Good on 'em."

The teens plan to take care of the animals until it is safe to return them to the wild.