In those regions, cereal grain yields are projected to
decline under climate change scenarios, across the full range of expected warming... Thus, countries with the lowest incomes may be the hardest hit.»
The latest relevant ABARE publication («Economic impact of
climate change policy», ABARE Research Report 06 - 7) says that global CO2 emissions in its reference case closely follow those
under the IPCC's A2
scenario to 2030 and that the latter
scenario assumes a
decline in economic growth after that year (pps.