Could We Terraform Mars in 100 Years?

Could humanity really turn Mars into a second Earth within the next 100 years? Scientists and visionaries like Elon Musk think it might be possible — but the truth is a lot more complex. From thickening the atmosphere to melting the polar ice caps, this video breaks down the bold ideas behind terraforming Mars, the massive challenges we’d face, and whether it's actually possible in just a century.