Helen Palmer

Hult Prize Competition

Over 10,000 business school students from around the world competed in this year's Hult Challenge to help solve the problem of food insecurity among the urban poor. The winning team will get a million dollars to implement its plans.

Introducing the Elf

The ELF is a new invention, a pedal-powered tricycle that can also run on battery and solar power, designed to be a perfect little non-polluting vehicle for local trips.

Thermal Imaging

Pictures taken with a thermal camera let you see with your own eyes where heat is leaking out of walls and windows. It's a powerful spur to improve insulation and keep the storm windows closed.

Hand-Me-Down Tomatoes

They're beautiful, delicious, all sizes, shapes and colors, and celebrated in the new book "The Heirloom Tomato: From Garden to Table."

Going Solar

The sun gives us free energy. A lot of incentives and a little investment might enable you to tap its power and slash your electricity bill.

Hand-Me-Down Tomatoes

They're beautiful, delicious, all sizes, shapes and colors, and celebrated in the new book "The Heirloom Tomato: From Garden to Table."

Low-Carbon Diet

In the absence of a national policy, citizens are doing it themselves - taking action to cut their carbon footprint.

Low-Carbon Diet

In the absence of a national policy, citizens are doing it themselves - taking action to cut their carbon footprint.

Hand-Me-Down Tomatoes

They're beautiful, delicious, all sizes, shapes and colors, and celebrated in the new book "The Heirloom Tomato: From Garden to Table."

Going Solar

The sun gives us free energy. A lot of incentives and a little investment might enable you to tap its power and slash your electricity bill.

Hand-Me-Down Tomatoes

They're beautiful, delicious, all sizes, shapes and colors, and celebrated in the new book "The Heirloom Tomato: From Garden to Table."

Thermal Imaging

Pictures taken with a thermal camera let you see with your own eyes where heat is leaking out of walls and windows. It's a powerful spur to improve insulation and keep the storm windows closed.

Introducing the Elf

The ELF is a new invention, a pedal-powered tricycle that can also run on battery and solar power, designed to be a perfect little non-polluting vehicle for local trips.

Hult Prize Competition

Over 10,000 business school students from around the world competed in this year's Hult Challenge to help solve the problem of food insecurity among the urban poor. The winning team will get a million dollars to implement its plans.