relative humidity values 5% to 15%. extremely dry, eto ignite the dry brush on the ground. emperor penguins are so large, they can stand as tall as a 6-year-old child. but their relatively imposing height doesn t protect them from our changing climate. as lin la kin dade reports, some colonies in the antarctica may disappear in the next 30 to 40 years. reporter: these emperor penguins are native to antarctica, the largest of all the penguin species. due to climate change, scientists say they re at risk of extinction. unlike adelely penguins which build nests on the continent, these penguins breed directly on marine ice. ice melting puts lives of baby penguins at risk. translator: when the ice platform loses stability, the little penguins, the ones that are growing, the chicks of that season might not have their