Dear EarthTalk: How do the big gadget-making companies (Apple, Samsung, etc.) stack up these days regarding their environmental footprint? -- Doug Greco, Newark, NJ
Dear EarthTalk: My vet tells me my 18-year-old cat is nearing the end of her life and I'm wondering what my options are for a green-friendly burial? -- Sandy Monroe, New York, NY
Dear EarthTalk: It's finally time for me to retire my trusty old Nalgene and upgrade my water bottle. Are any brands or models particularly greener than others? -- Cyndi Bland, Tempe, AZ
Dear EarthTalk: Is there proof that fracking for oil and natural gas can by itself cause earthquakes? -- James Mitchell, Hauppauge, NY
Some heavy hitters were invited by Colorado State University to speak at the inaugural Water in the West Symposium in Denver last week, including U.S. Secretary of Agriculture Sonny Perdue, the prior secretary of agriculture; Tom Vilsack of Iowa; U.S. Sen. Michael Bennett; and Gov. John Hickenlooper.
Dear EarthTalk:I heard that the apparel industry has a huge carbon footprint and environmental impact. What are manufacturers doing to combat this problem? -- Bea Wilson, Miami, FL
Dear EarthTalk: What are suitable materials for making biodegradable plastic besides corn and sugarcane? Is pineapple or peanut suitable? -- Yu Hong Yap, Malaysia
Dear EarthTalk:Why on earth would cans and other food storage containers contain toxic BPA that can make us sick? Is there any way to avoid it? - Melinda Billings, Hixson, TN