This letter written in 2070 describes a dire future with severe water scarcity. The writer recalls abundant water and nature from their childhood in contrast to the current situation. People now suffer from dehydration, poor health, and early death. Water has become extremely precious and fought over. The environment is severely degraded without trees or vegetation. Future generations face intellectual impairments due to the changes. The writer feels guilty for the past generation's role in environmental destruction. They believe life on Earth will soon be impossible due to the irreversible damage.