<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>000090 - Disclosure - Note 2 - Going Concern Considerations</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

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</LabelSeparator><Level>2</Level><ElementName>us-gaap_LiquidityDisclosureTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="D130101_130630" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;!--egx--&gt;&lt;p style='margin:0in;margin-bottom:.0001pt'&gt;&lt;b&gt;Note 2 &amp;#150; Going Concern Considerations&lt;/b&gt;&lt;/p&gt; &lt;p style='margin:0in;margin-bottom:.0001pt'&gt;&amp;nbsp;&lt;/p&gt; &lt;p style='margin:0in;margin-bottom:.0001pt'&gt;The accompanying unaudited condensed consolidated financial statements have been prepared assuming that the Company will continue as a going concern.&amp;nbsp;&amp;nbsp;As shown in the accompanying consolidated financial statements, the Company incurred losses from continuing operations applicable to its common shareholders of $2,341,305 and $823,240 for the six-months ended June 30, 2013, and June 30, 2012, respectively, has an accumulated deficit applicable to its common shareholders of $27,574,888 at June 30, 2013.&amp;nbsp;&amp;nbsp;The Company also used cash in operating activities of $1,080,639 and $1,860,384 during the six-month period ended June 30, 2013 and June 30, 2012, respectively.&amp;nbsp;&amp;nbsp;At June 30, 2013, the Company has negative working capital of $4,094,539 and a stockholders&amp;#146; deficit attributable to its stockholders of $1,703,375.&amp;nbsp;&amp;nbsp;These factors raise substantial doubt about the Company&amp;#146;s ability to continue as a going concern.&lt;/p&gt; &lt;p style='margin:0in;margin-bottom:.0001pt'&gt;&amp;nbsp;&lt;/p&gt; &lt;p style='margin:0in;margin-bottom:.0001pt'&gt;The Company commenced its new business related to the cultivation and production of oil from the seed of the Jatropha plant in September 2007.&amp;nbsp;&amp;nbsp;Management plans to meet its cash needs through various means including securing financing, entering into joint ventures, and developing the current business model.&amp;nbsp;&amp;nbsp;In order to fund its operations, the Company has to date received $20,870,733 in capital contributions from the preferred membership interest in GCE Mexico I, LLC (&amp;#147;GCE Mexico&amp;#148;), has issued mortgages in the total amount of $5,110,189 for the acquisition of land.&amp;nbsp;&amp;nbsp;The Company is developing the new business operation to participate in the rapidly growing bio-diesel industry.&amp;nbsp;&amp;nbsp;While the Company expects to be successful in this new venture, there is no assurance that its business plan will be economically viable.&amp;nbsp;&amp;nbsp;The ability of the Company to continue as a going concern is dependent on that plan&amp;#146;s success. The financial statements do not include any adjustments that might be necessary if the Company is unable to continue as a going concern.&lt;/p&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>Disclosure of accounting policy for reporting when there is a substantial doubt about an entity's ability to continue as a going concern for a reasonable period of time (generally a year from the balance sheet date). Disclose: (a) pertinent conditions and events giving rise to the assessment of substantial doubt about the entity's ability to continue as a going concern for a reasonable period of time, (b) the possible effects of such conditions and events, (c) management's evaluation of the significance of those conditions and events and any mitigating factors, (d) possible discontinuance of operations, (e) management's plans (including relevant prospective financial information), and (f) information about the recoverability or classification of recorded asset amounts or the amounts or classification of liabilities. If management's plans alleviate the substantial doubt about the entity's ability to continue as a going concern, disclosure of the principal conditions and events that initially raised the substantial doubt about the entity's ability to continue as a going concern would be expected to be considered. Disclose whether operations for the current or prior years generated sufficient cash to cover current obligations, whether waivers were obtained from creditors relating to the company's default under the provisions of debt agreements and possible effects of such conditions and events, such as: whether there is a possible need to obtain additional financing (debt or equity) or to liquidate certain holdings to offset future cash flow deficiencies. Disclose appropriate parent company information when parent is dependent upon remittances from subsidiaries to satisfy its obligations.</ElementDefenition><ElementReferences>No definition available.</ElementReferences><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Note 2 - Going Concern Considerations</Label></Row></Rows><Footnotes /><IsEquityReport>false</IsEquityReport><ReportName>Note 2 - Going Concern Considerations</ReportName><MonetaryRoundingLevel>UnKnown</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>true</HasCustomUnits><IsEmbedReport>false</IsEmbedReport><IsMultiCurrency>false</IsMultiCurrency><ReportType>Sheet</ReportType><RoleURI>http://www.gceholdings.com/20130630/role/idr_DisclosureNote2GoingConcernConsiderations</RoleURI><NumberOfCols>1</NumberOfCols><NumberOfRows>2</NumberOfRows></InstanceReport>
