Michael Dudley

<p>With fill-ups costing close to $70,000 for a transatlantic flight, airlines are facing a grim future.</p>

French President Sarkozy's call for 'audacious' plans for a Paris of the future has been answered by some of the world's top architects and designers, but some wonder how any of the plans can work within the constraints of the existing city.

<p>Climate change, desertification and resource wars are displacing millions of people, and threaten to turn us all into environmental refugees, warns Scott Thill.</p>

<p>Both farmers and the rural poor are hurting because gas prices are not only higher in Canada's rural areas, but the distances required to obtain food and other necessities are so great.</p>

<p>Transit ridership is spiking across the country as gas prices go up. Is this a tipping point for America's car culture?</p>