Utopian literature often envisions a future where technology has solved many of the problems that plague society today.

Thomas More's book Utopia describes a fictional island society that is free from war, poverty, and crime.

Environmental sustainability is a holistic approach to protecting the environment that includes reducing waste, using renewable energy, and protecting biodiversity.

Edward Bellamy's book Looking Backward describes a future Boston where there is no poverty, crime, or war.

Utopian societies often face challenges such as maintaining social harmony, preventing stagnation, and dealing with external threats.

H.G. Wells' book A Modern Utopia describes a future Utopian society on an island in the Pacific Ocean.

Utopian literature often explores the idea that human nature is perfectible and that a better society is possible through social equality, technological progress, and other means.

Aldous Huxley's book Brave New World describes a future dystopian society called the World State.

Utopianism is often criticized for being unrealistic, too idealistic, and impractical.

Ursula K. Le Guin's book The Dispossessed describes a future Utopian society on the planet Anarres.

Environmental sustainability is challenged by a number of factors, including climate change, pollution, and deforestation.

Kim Stanley Robinson's book Aurora describes a future Utopian society on a generation ship traveling to a distant star system.

Utopianism is based on the principles of equality, justice, and peace.

Iain M. Banks' book The Culture describes a future Utopian society called the Culture.

Utopian societies often face challenges such as maintaining social harmony, preventing stagnation, and dealing with external threats.