Kitiona Tausi tends vegetable seedlings in his garden. The rising cost of imported food produce has led to increased interest in growing crops at home. However, land scarcity and a shortage of fresh water has limited its effectiveness. The tiny Pacific island nation is one of the few places in the world already experiencing the devastating effects of climate change and global warming. Due to the rising sea level, erosion, and extreme weather events, the island is shrinking and may eventually disappear beneath the Pacific Ocean.