The boat, which is typically ported in Seattle, carried 145 people to the Arctic for a National Science Foundation-funded expedition in support of GEOTRACES, an international project that seeks to better understand the world's oceans.
Scientists from Oregon State University and University of North Carolina said that the algae, known as cyanobacteria, are also poorly monitored. State and federal regulators don't require testing for the algal blooms nor is reporting required of diseases related to it, they said.
Climate change is a security risk and will exacerbate poverty, environmental degradation, social tensions, ineffectual leadership and weak political institutions, threatening the stability of several countries, according to the Defense Department.
NASA researchers analyzed ocean temperatures from a global network of 3,500 probes, which shows that temperatures below surface have been increasing. The Pacific Ocean is the main source of the warm water, but some of that now is being pushed into the Indian Ocean.
The DHS inspector general said it deferred to the Federal Emergency Management Agency's decision that the costs were "fair and reasonable for the work performed" under government regulations that allow for exceptions, but there were better options.
Countering global warming through greenhouse gas reduction could have significant economic, health and environmental benefits, including saving thousands of lives and avoiding billions of dollars on infrastructure maintenance and damage costs.
As melting sea ice opens once blocked portions of the Arctic to commerce, the Defense Department is stepping up efforts to support other federal agencies' activities in the region as well as update plans and future needs.
A U.S. joint military task force's progress in detecting, monitoring and stopping illicit drug trafficking from South America, Central America and the Caribbean could be in "jeopardy" due to defense cutbacks and limited resources.
An internal audit says that the Coast Guard is making progress in reducing acquisition risks of more than two dozen offshore patrol cutters, but it's still too early to tell whether the service has fully implemented two risk mitigation recommendations that were previously made by the inspector general.
The Automated Commercial Environment program is expected to collect and process data submitted by the international trade community, giving the federal government a better ability to assess risks of cargo coming into the country and facilitate smoother operations at U.S. ports.