Considering our current global economic environment, it is perhaps not surprising to find many investors with a rather pessimistic short term outlook for both the U.S. and the broader global economy. Despite the fact that markets are near a four year high, there are still plenty of issues looming that have the general public fearful for the future. And while many corners of the market have struggled to stay afloat, there have been some bright spots that have performed relatively well. Some of these asset classes are historically known to be relatively low-risk investments that tend to fare well during uncertain or adverse economic environments, including inflation-protected securities, gold, and several other commodities. For bearish investors who wish to shift their assets towards these safer corners of the market, we outline an all ETF portfolio that could potentially provide meaningful return during economic turmoil [for more commodity ETF news and trading tips subscribe to our free newsletter].