Robert Swan on an expedition (2041 Foundation)
Robert Swan, the first person to walk to both the North and South poles, tells i about the dramatic changes he has seen to the polar icescape in the past three decades
Thirty years ago the explorer Robert Swan walked 700 kilometres (435 miles) across Arctic sea ice in a 56-day springtime trek to the North Pole. Today, that ice is mostly water, … [more…]
Photo: The sample room at the Grand Rapids wastewater treatment facility. DUSTIN DWYER / MICHIGAN RADIO
The swirling liquid rushes into concrete channels behind a black chain-link fence.
“That is what sewage looks like,” says Nicole Pasch, who works in Environmental Services for the city of Grand Rapids.
Pasch is showing off the wastewater treatment facility, along with the various stages the sewage has to pass through before it can … [more…]