Need to catch up? Here are some food, agriculture and farm stories you might have missed this week.

Editor's note: This is a special extended edition of 7 stories. Due to the holidays, we're including extra stories you might have missed over the past few weeks.

1. Campaigns and causes. Where's the political Ag money coming from, and where is it going? Farm Futures

2. UAV expansion. Drone data could be used for policymaking in developing countries, not just tracking crops. The Guardian

3. Campbell's GMO stance. Campbell's Soup said this week it will disclose GMO ingredients and support mandatory GMO labeling. USA Today

Ag's political money, Campbell's GMO stance, extreme weather and lean meat

4. Cow patty enterprise. Like other consumers, Indians are flocking to the online marketplace – to buy cow dung patties. AP

5. Extreme weather influences. Droughts and heat waves wiped out nearly a tenth of rice, wheat, corn and other cereal crops between 1964 and 2007, study finds. New York Times

6. Lean meat's in. HHS and USDA released the finalized dietary guidelines this week, leaving lean meat in the description of a healthy diet. Farm Futures

7. More exports. The U.S. and South Africa have reached an agreement to improve trade between the two countries by ending trade barriers on pork, beef and poultry. Feedstuffs

And your bonus:

Unique business. Wedged between train tracks in an industrial corner of San Francisco, a herd of goats is dining on piles of old Christmas trees. CNN Money

See a new installment of '7 ag stories you might have missed' every Friday at 2 p.m. on Farm Futures and Farm Progress sites. And as always, keep up throughout the week with daily ag news and grain market updates by visiting us on Twitter or Facebook.

Browse the '7 ag stories' archives
12/18: UAV registration, Wagyu profits, spending and tax bills and big corn yields
12/11: Dow-DuPont, food industry and obesity, Chipotle and $6 gopher tails
12/4: UAV registration rules, RFS levels, Grant's Farm, and banana fungus
11/27: Enlist Duo, farm incomes, pardoning the turkey and #CowArt