Altogether, a new physical equilibrium would be approached, at which the cubic foot would resemble that on some distant, sterile planet. Earth is the only planet we know that has a biosphere.

Gas in underground storage is expected to have increased by 25 billion cubic feet to 1,769 Bcf in the week ended March 28, according to the average estimate of 11 analysts, brokers and traders.

U.S. natural gas inventories likely fell last week by the smallest amount since the start of the year as warmer weather across the country prompted a drop in heating demand. Gas in underground ...