It's a common frustration: You've spent a warm, sunny day working in your garden, dutifully tilling the earth and planting seeds at just the right depth and distance — and then the next week, you go outside to find a crop of happy little dandelions enjoying your perfectly primed dirt. Of course, your first instinct is to destroy the invaders. So you get out your weed killer to take those dandelions to task. Wait. Do you know what's in that weed killer? If it's full of chemicals that you can't […]