
週三,美國國家債務總額首次突破40萬億美元。對於美國經濟而言,這是一個不祥的里程碑:數十年來,美國持續借貸用






Several Canadian cities are pursuing bylaws to restrict the sale of invasive plants by garden centres and nurseries. Advocates with the Canadian Coalition for Invasive Plant Regulation say a federal horticulture body and invasive plant database would help a biodiversity crisis in the making.

The former chairs of a panel that advises the federal government on endangered wildlife have published an open letter highlighting concerns over proposed changes to the Species At Risk Act, which they say could lead to the "wilful extinction" of endangered species in Canada.