About biofuels results of 56

Relevance
From the Farm to the Table27:32

From the Farm to the Table

146
B1
32 Fascinating February Holidays You've Probably Never Heard Of !26:36

32 Fascinating February Holidays You've Probably Never Heard Of !

41
B2
Bill Gates 比爾蓋茲談能源：至零方休的革新！ (中英雙字幕)27:50

Bill Gates 比爾蓋茲談能源：至零方休的革新！ (中英雙字幕)

1695
A2
Barack Obama's 2012 DNC Remarks - Full Speech40:13

Barack Obama's 2012 DNC Remarks - Full Speech

3517
B1
Joel Cohen: An Introduction to Demography (Malthus Miffed: Are People the Problem?)43:22

Joel Cohen: An Introduction to Demography (Malthus Miffed: Are People the Problem?)

640
B1
Second Presidential Debate: Obama vs. Romney (Town Hall, Complete HD)100:37

Second Presidential Debate: Obama vs. Romney (Town Hall, Complete HD)

311
B1
Facebook Town Hall with President Obama64:15

Facebook Town Hall with President Obama

543
A2
REN21 Renewables 2015 Global Status Report: Distributed Renewable Energy90:32

REN21 Renewables 2015 Global Status Report: Distributed Renewable Energy

159
B1
Watch Jim Lehrer Moderate First Full Presidential Debate91:01

Watch Jim Lehrer Moderate First Full Presidential Debate

357
B1
First Presidential Debate: Obama vs. Romney (Complete HD - Quality Audio)92:51

First Presidential Debate: Obama vs. Romney (Complete HD - Quality Audio)

572
B1