Check out this cool USB 4-port Hub. I think it will make people who concerned about global warming happy. It is actually a standard USB 4-port Hub but with eco-friendly twist. It comes with six mobile phone connectors that can recharge most known mobile phone types and USB interfacing digital products. This solar charger can be recharged through direct sunlight, AC power or car power. You can pick up one from Brando for a price of $20.